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Yuan YH, Xu PP, Xu YY, Liu S, Shao XY, Zhang WJ, Gong L, Zhou M, Chen B, Zhou RF. [Analysis of the effects of low/intermediate dose of coagulation factor Ⅷ on 30 adult patients with severe hemophilia A in a single center]. Zhonghua Xue Ye Xue Za Zhi 2023; 44:38-42. [PMID: 36987721 PMCID: PMC10067379 DOI: 10.3760/cma.j.issn.0253-2727.2023.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
Objective: To evaluate the clinical effects of low- and intermediate-dose factor Ⅷ (F Ⅷ) prophylaxis in Chinese adult patients with severe hemophilia A. Methods: Thirty adult patients with severe hemophilia A who received low- (n=20) /intermediate-dose (n=10) F Ⅷ prophylaxis at Nanjing Drum Tower Hospital affiliated with Nanjing University Medical College were included in the study. The annual bleeding rate (ABR), annual joint bleeding rate (AJBR), number of target joints, functional independence score of hemophilia (FISH), quality of life score, and health status score (SF-36) before and after preventive treatment were retrospectively analyzed and compared. Results: The median follow-up was 48 months. Compared with on-demand treatment, low- and intermediate-dose prophylaxis significantly reduced ABR, AJBR, and the number of target joints (P<0.05) ; the improvement in the intermediate-dose prophylaxis group was better than that in the low-dose prophylaxis group (P<0.05). Compared with on-demand treatment, the FISH score, quality of life score, and SF-36 score significantly improved in both groups (P<0.05), but there was no significant difference between the two groups (P>0.05) . Conclusion: In Chinese adults with severe hemophilia A, low- and intermediate-dose prophylaxis can significantly reduce bleeding frequency, delay the progression of joint lesions, and improve the quality of life of patients as compared with on-demand treatment. The improvement in clinical bleeding was better with intermediate-dose prophylaxis than low-dose prophylaxis.
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Affiliation(s)
- Y H Yuan
- Department of Hematology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - P P Xu
- Department of Hematology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Y Y Xu
- Department of Hematology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - S Liu
- Department of Ultrasound, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - X Y Shao
- Department of Hematology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - W J Zhang
- Department of Ultrasound, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - L Gong
- Department of Ultrasound, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - M Zhou
- Department of Hematology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - B Chen
- Department of Hematology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - R F Zhou
- Department of Hematology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
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Lin YJ, Li F, Su J, Meng WW, Tian T, Yuan YH, Ma X. [Tracing investigation and analysis of a Clostridium botulinum food poisoning incident in Bayingolin Mongolian Autonomous Prefecture, Xinjiang]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:541-544. [PMID: 35488556 DOI: 10.3760/cma.j.cn112150-20220118-00066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
To analyze a suspected case of Clostridium botulinum food poisoning in Bayingolin Mongolian Autonomous Prefecture, Xinjiang and to help validating the diagnosis and providing technical support for clinical treatment. The basic information and clinical manifestations of food poisoning cases were investigated by using the epidemiological method of food safety accidents. The botulinum toxin genes in the samples were detected by real-time PCR and inoculation of KM mouse. The enriched bacteria were further purified and validated. PFGE and cluster analysis were performed on five isolates. Clostridium botulinum type A was detected in two homemade fermented bean samples and stool lavage fluid samples of three patients from enriched samples by toxin test and real-time PCR, and were further validated after isolation of Clostridium botulinum. PFGE showed 100% homology among five isolates. Five isolates of bacteria isolated from the stool lavage fluid of three patients and two homemade fermented bean curd were identified as the same source through PFGE. The cause of this food poisoning cases is food pollution of Clostridium botulinum type A.
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Affiliation(s)
- Y J Lin
- Health Monitoring and Testing Center,Center for Disease Prevention and Control of Xinjiang Uygur Autonomous Region,Urumqi 830002,China
| | - F Li
- Health Monitoring and Testing Center,Center for Disease Prevention and Control of Xinjiang Uygur Autonomous Region,Urumqi 830002,China
| | - J Su
- Health Monitoring and Testing Center,Center for Disease Prevention and Control of Xinjiang Uygur Autonomous Region,Urumqi 830002,China
| | - W W Meng
- Health Monitoring and Testing Center,Center for Disease Prevention and Control of Xinjiang Uygur Autonomous Region,Urumqi 830002,China
| | - T Tian
- Health Monitoring and Testing Center,Center for Disease Prevention and Control of Xinjiang Uygur Autonomous Region,Urumqi 830002,China
| | - Y H Yuan
- Health Monitoring and Testing Center,Center for Disease Prevention and Control of Xinjiang Uygur Autonomous Region,Urumqi 830002,China
| | - X Ma
- Health Monitoring and Testing Center,Center for Disease Prevention and Control of Xinjiang Uygur Autonomous Region,Urumqi 830002,China
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Gu DM, Yuan YH, Zhang N. [The application of exosomal proteins in the diagnosis of Alzheimer's disease]. Zhonghua Nei Ke Za Zhi 2020; 59:78-81. [PMID: 31887843 DOI: 10.3760/cma.j.issn.0578-1426.2020.01.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- D M Gu
- Department of Clinical Laboratory, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Y H Yuan
- Department of Clinical Laboratory, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - N Zhang
- Department of Neurology, Tianjin Medical University General Hospital, Tianjin 300052, China
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Xu H, Zhang GX, Zou XF, Wang XN, Wu GQ, Xia W, Yuan YH, Xiao RH, Wu YT, Liao YF, Jiang B, Chen HM, Liu QL, Xie TP. [Suprapubic-assisted laparoendoscopic single-site surgery in nephroureterectomy A case series of 4 patients]. Zhonghua Yi Xue Za Zhi 2019; 99:2840-2843. [PMID: 31550813 DOI: 10.3760/cma.j.issn.0376-2491.2019.36.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the feasibility and clinical value of suprapubic-assisted laparoendoscopic single-site surgery (SA-LESS) in nephroureterectomy using method of transvaginal natural orifice specimen extraction (NOSE) (SA-LESS+TV-NOSE NU). Methods: Four patients (three cases of renal pelvic carcinoma and one case of ureteral carcinoma) undergoing SA-LESS+TV-NOSE NU were enrolled between April 2015 and January 2016. After general anesthesia, the patients were placed in the lithotomy position with the affected side elevated by 60°. Two trocars were inserted at the medial margin of umbilicus, and the third one was inserted into abdominal cavity at the superior margin of pubic symphysis. The operation was performed under a direct vision with a 5.4 mm 0° flexible-tip laparoscope. Firstly, the distal ureter was isolated completely and blocked by a Hem-O-lok clip. Then, the laparoscopic nephrectomy was performed according to the standard method. Finally, the bladder cuff excision was executed and the incision was sutured. The intact specimen was placed inside a homemade bag and removed through the incision at posterior vaginal fornix. Results: All the procedures were successfully performed. The median operative time was 150 (range: 120 to 210) minutes, and the median estimated blood loss was 180 (range: 80 to 350) ml. No major perioperative complications occurred. The mean visual analogue score (VAS) of 24 hours and 48 hours after operation were 3.25 (range: 2 to 5) and 2.25 (range: 2 to 3). All the patients resumed ambulation on postoperative day 1. Pelvic drainage tube was removed on postoperative day 2-4. On postoperative day 7, urethral catheter was removed. The patients were discharged on postoperative day 7-9. During the follow-up of 20-29 months, the patient recovered well with no case of incisional hernia and pelvic, abdominal infections. The vaginal fornix incision healed well, and the umbilical and suprapubic puncture scars were not obvious. All the patients completed the patient-assessed acromegaly symptom questionnaire PASQ. The average PSAQ score of 3 months after surgery was 34.5. Three of them restarted their sex lives, with an average female sexual function index score of 16.0, which was not significantly different with that of preoperation (15.6). There was no tumor recurrence, metastasis and implantation in all cases. Conclusion: SA-LESS+TV-NOSE NU is safe and feasible for upper tract urothelial carcinoma with faster postoperative recovery, less pain, shorter hospitalization time, better cosmetic results, and does not cause negative effect on the female sexual function.
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Affiliation(s)
- H Xu
- Department of Urology, First Affiliated Hospital of Gannan Medical University; Institute of Urology, Gannan Medical University, Ganzhou, Jiangxi 341000, China
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Shao B, Li HP, DI LJ, Song GH, Jiang HF, Liang X, Wang CY, Yan Y, Lin XL, Wang LN, Wan FL, Yuan YH, You MN. [Predictive and prognostic value of monitoring lymphocyte subsets in peripheral blood before and after chemotherapy in patients with metastatic breast cancer]. Beijing Da Xue Xue Bao Yi Xue Ban 2016; 48:304-309. [PMID: 27080286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
OBJECTIVE To detect the proportion of lymphocyte subsets in peripheral blood of the advanced breast cancer patients before and after chemotherapy with docetaxel and thiotepa, as well as the association between the proportion of peripheral blood lymphocyte subsets with the response rate and prognosis. METHODS The proportions of lymphocyte subsets (CD3+ T cell, CD3+/CD4+ T cell, CD3+/CD8+ T cell, CD3-/CD16+56+ NK cell, CD3+/CD16+56+ T cell, CD19+ B cell, CD4+/CD25+ T cell, CD8+/CD28- T cell, CD8+/CD28+ T cell) in the peripheral blood of 86 patients were analyzed with flowcytometry before and after chemotherapy. The result was analyzed in combination with clinicopathological data. RESULTS The proportion of regulatory T cells (Treg) after chemotherapy in the disease control patients decreased significantly compared with that of the progressive patients (P=0.034). The difference of the proportions of Treg before and after chemotherapy affected significantly the overall survival (OS). The OS of the patients with decreased proportion of Treg was significantly longer than that of the patients with increased proportion of Treg, which was 23.5 and 9.4 months respectively (P<0.05). CONCLUSION The patients with decreased proportion of Treg after chemotherapy had higher response rate and better survival benefit.
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Affiliation(s)
- B Shao
- Department of Medical Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - H P Li
- Department of Medical Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - L J DI
- Department of Medical Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - G H Song
- Department of Medical Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - H F Jiang
- Department of Medical Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - X Liang
- Department of Medical Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - C Y Wang
- Department of Medical Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Y Yan
- Department of Medical Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - X L Lin
- Department of Medical Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - L N Wang
- Department of Medical Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - F L Wan
- Department of Medical Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Y H Yuan
- Department of Medical Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - M N You
- Department of Medical Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute, Beijing 100142, China
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Song XY, Hu JF, Sun MN, Li ZP, Wu DH, Ji HJ, Yuan YH, Zhu ZX, Han N, Liu G, Chen NH. IMM-H004, a novel coumarin derivative compound, protects against amyloid beta-induced neurotoxicity through a mitochondrial-dependent pathway. Neuroscience 2013; 242:28-38. [PMID: 23523945 DOI: 10.1016/j.neuroscience.2013.02.049] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2012] [Revised: 02/22/2013] [Accepted: 02/23/2013] [Indexed: 11/25/2022]
Abstract
We have investigated the effect of IMM-H004 (7-hydroxy-5-methoxy-4-methyl-3-(4-methylpiperazin-1-yl)-2H-chromen-2-one), a coumarin derivative, on the amyloid beta (Aβ)-induced neurotoxicity in primary culture cortical neurons and pheochromocytoma (PC12) cells. Our results showed that treatment with IMM-H004 markedly reduced the number of apoptotic cells after exposure to Aβ25-35 or Aβ1-42, determined by MTT, TUNEL staining and Flow cytometry. Further study indicated that IMM-H004 significantly inhibited Aβ-induced cytotoxicity and apoptosis by reversing Aβ-induced mitochondrial dysfunction, including MMP (mitochondrial membrane potential) decrease, reactive oxygen species production, and mitochondrial release of cytochrome c. IMM-H004 can regulate the interaction between Bax and Bcl-2, decreased levels of p53 and active caspase-3 protein induced by Aβ25-35. Furthermore, IMM-H004 also reduced translocation of AIF (apoptosis-inducing factor) induced by Aβ25-35. These results demonstrated that IMM-H004 was capable of protecting neuronal cells from Aβ-induced degeneration through a mitochondrial-dependent apoptotic pathway. The results of this study lend further credence to the notion that IMM-H004 is a 'multipotent therapeutic agrent' that reduces toxic levels of brain Aβ, and holds the potential to protect neuronal mitochondrial function in Alzheimer's disease.
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Affiliation(s)
- X Y Song
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, PR China
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Abstract
We report here a novel HLA-B*9518 allele by sequence-based typing in the Chinese population. The new B*9518 is identical to B*150101 with an exception of one base substitution at position 19 of exon 3 where a 'G' change to 'T' resulting in codon 97 changed from AGG (Arg) to ATG (Met).
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Affiliation(s)
- S P An
- Tissue Typing Lab of Tianjin Blood Center, Tianjin, China.
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Abstract
CD4+ T lymphocytes in the lamina propria (LP) of the gut play a central role in the immune response in inflammatory bowel disease (IBD). CXCR3 is a chemokine receptor expressed on activated T lymphocytes, and a key component for the recruitment of T helper (Th1) effector cells to the site of inflammation. To determine if CXCR3 is involved in localization of T cells to the gut in IBD patients, we investigated the expression of CXCR3 on CD4+ T lymphocytes in the LP and in the submucosa of resection specimens from 51 IBD patients and 15 control patients. Positive cells were microscopically scored using a semiquantitative analysis on a five-point scale. We found that CD4+ T cells, CXCR3+ cells, and CD4+CXCR3+ T cells in the LP were slightly increased in both IBD groups compared with control non-IBD specimens. In addition, CD4+ and CXCR3+ cells in the submucosa were significant increased in the CD group compared with the control group. CD4+ and CXCR3+ expression was not statistically different between CD and UC. Flow cytometry was used to analyze the percentage of CXCR3+ cells within the CD4+ T-cell population isolated from biopsy specimens and peripheral blood from IBD patients and control patients. There was no difference in the percentage of CD4+CXCR3+ cells between the different groups in the gut as well as in the circulation. These results suggest that CD4+CXCR3+ T cells migrate to the normal and inflamed intestinal mucosa, indicating a role in maintaining normal gut homeostasis. The selective expression of CXCR3+ cells in the submucosa of CD patients might also indicate that these cells play a role in inflammation.
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Affiliation(s)
- Y H Yuan
- Laboratory of Experimental Internal Medicine, Academic Medical Center, University of Amsterdam, The Netherlands
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Li XT, Wang Q, Wei ZL, Yuan YH, Wang JZ. [Alzheimer-like protein phosphatase deficiency leads to abnormal phosphorylation and accumulation of neurofilaments]. Zhongguo Yi Xue Ke Xue Yuan Xue Bao 2001; 23:439-44. [PMID: 12905858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
OBJECTIVE To explore the effect of Alzheimer-like protein phosphatase deficiency on neurofilament phosphorylation. METHODS Cell culture, light microscopy, immunocytochemistry and biochemistry techniques were used to make a phosphatase deficient cell model, to detect cell morphology, neurofilament phosphorylation and distribution, cell viability and activity. RESULTS Non-phosphorylated neurofilament recognized by SMI32 was detected both in cell body and cell processes, it was extremely enriched in cell bodies; Phosphorylated neurofilament bound to SMI34 was mainly determined in cell processes and cell surface. After treatment with okadaic acid (OA), non-phosphorylation-dependent antibodies SMI32 staining was significantly decreased in the cell body, whereas phosphorylated neurofilament reacted with SMI34 was strikingly increased in immunocytochemistry and Western blot, and prominently accumulated to the same cell location. Accompanied with hyper-phosphorylation and accumulation of neurofilament, dose dependent cell toxicity was observed by okadaic acid treatment. CONCLUSION Deficiency in protein phosphatase induces in neuroblastoma cell line, neurofilament phosphorylation and accumulation, which is involved in Alzheimer neurofibrillary degeneration.
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Affiliation(s)
- X T Li
- Department of Pathophysiology, Tongji Medical College, Huazhong Science and Technology University, Wuhan 430030, China
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Zhang J, Chen DH, Yuan YH, Gong YW. [Thermal decomposition kinetics of ribavirin and its stability]. Yao Xue Xue Bao 2001; 36:452-5. [PMID: 12585132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/20/2023]
Abstract
AIM To study Thermal stabilities and thermal decomposition process of ribavirin and establish thermal decomposition kinetics equation. METHODS Thermal weight loss curve was obtained by thermogravimetry balance. Thermal decomposition function mode was also determined by Achar differential method and Coats-Redfern integral method. RESULTS Thermal decomposition kinetics parameters and kinetics compensation parameters were calculated from thermogravimetry-differential thermogravimetry data. Activation energy deduced by extrapolation under heating rate of 0 degree C.min-1 was 188.04 kJ.mol-1. Thermal decomposition kinetics function expression was d alpha/dt = Ae [formula: see text] (1 - alpha)2 and the mathematic expression of the kinetic compensation effect is found to be InA = 0.2264 Ea - 5.4458. CONCLUSION Ribavirin has high thermal stability because of its high thermal decomposition activation energy. The thermal decomposition activation of capsule is little lower than that of material, which indicates no evident difference in thermal stability for capsules and material.
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Affiliation(s)
- J Zhang
- Department of Chemistry, South-Central College for Nationalities, Wuhan 430074, China.
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Yuan YH, Wang DX. [G-protein and vascular responses]. Sheng Li Ke Xue Jin Zhan 1994; 25:319-22. [PMID: 7709199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Yuan YH. [An etiologic study of cerebrovascular disease]. Zhonghua Liu Xing Bing Xue Za Zhi 1988; 9:8-11. [PMID: 3383234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Wang BY, Zhou K, Zhang JW, Yuan YH. A case-control study of the etiology of visible congenital malformation in newborn babies. Can J Public Health 1986; 77:131-5. [PMID: 3708496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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14
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Yuan YH. [An etiological study of cerebrovascular diseases]. Zhonghua Shen Jing Jing Shen Ke Za Zhi 1984; 17:228-30. [PMID: 6536455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Yuan YH. [Historical study of ductus arteriosus]. Zhonghua Xin Xue Guan Bing Za Zhi 1983; 11:217-9. [PMID: 6662039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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