Sato T, Koyama H. Amaryllidaceae alkaloids. Part II. Crystal structure of tazettine methiodide. ACTA ACUST UNITED AC 1971. [DOI: 10.1039/j29710001070] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Shiro M, Koyama H. Structure of taxinine: X-ray analysis of 2,5,9,10-tetra-O-acetyl-14-bromotaxinol. ACTA ACUST UNITED AC 1971. [DOI: 10.1039/j29710001342] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Koyama H, Ono T. Initiation of a differentiated function (hyaluronic acid synthesis) by hybrid formation in culture. BIOCHIMICA ET BIOPHYSICA ACTA 1970;217:477-87. [PMID: 5528803 DOI: 10.1016/0005-2787(70)90545-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]

Koyama H, Yatabe I, Ono T. Isolation and characterization of hybrids between mouse and Chinese hamster cell lines. Exp Cell Res 1970;62:455-63. [PMID: 4322072 DOI: 10.1016/0014-4827(70)90577-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]

Koyama H, Okada K, Itoh C. Automatic heavy-atom analysis of some organic compounds. ACTA CRYSTALLOGRAPHICA SECTION B: STRUCTURAL SCIENCE 1970. [DOI: 10.1107/s0567740870002601] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

Koyama H, Utakoji T, Ono T. A new cell line derived from newborn Chinese hamster lung tissue. GAN 1970;61:161-7. [PMID: 5452405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]

Hyodo M, Koyama H, Ono T. Intermediate fragments of the newly replicated DNA in mammalian cells. Biochem Biophys Res Commun 1970;38:513-9. [PMID: 5462696 DOI: 10.1016/0006-291x(70)90744-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]

Koyama H, Nakai H. Crystal and molecular structure of adiantol B bromoacetate. ACTA ACUST UNITED AC 1970. [DOI: 10.1039/j29700000546] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Koyama H, Oda K. Crystal and molecular structure of stemonine hydrobromide hemihydrate. ACTA ACUST UNITED AC 1970. [DOI: 10.1039/j29700001330] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Tsukuda Y, Koyama H. Crystal and molecular structure of showdomycin. ACTA ACUST UNITED AC 1970. [DOI: 10.1039/j29700001709] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Shiro M, Koyama H. Crystal structure of silver polyetherin A. ACTA ACUST UNITED AC 1970. [DOI: 10.1039/j29700000243] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Matsuda M, Koyama H. [Cytologic diagnosis of the abnormal nipple discharge]. GAN NO RINSHO. JAPAN JOURNAL OF CANCER CLINICS 1969;15:1039-46. [PMID: 5392544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]

Yokogawa M, Koyama H, Araki K, Kojima S, Ozu S, Aida C, Ogino Y, Tsumura D. Mass treatment of clonorchiasis sinensis with 1,4-bis-trichloromethylbenzol. II. Minimal effective dose. ZEITSCHRIFT FUR TROPENMEDIZIN UND PARASITOLOGIE 1969;20:494-503. [PMID: 5375419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]

Iguchi M, Nishiyama A, Koyama H, Yamamura S, Hirata Y. Isolation and structure of isocalamendiol. Tetrahedron Lett 1969:3729-36. [PMID: 5344282 DOI: 10.1016/s0040-4039(01)88499-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]

Yokogawa M, Yoshimura H, Koyama H, Furusawa A, Yoshida T. Studies on subacute and chronic toxicity of 1,4-bis-trichloromethylbenzol. ZEITSCHRIFT FUR TROPENMEDIZIN UND PARASITOLOGIE 1969;20:354-64. [PMID: 5380280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]

Hoshino Y, Nishizawa Y, Tomino S, Nakagawa T, Koyama H. [Mastopathies with abnormal secretion from the nipple]. SAISHIN IGAKU. MODERN MEDICINE 1969;24:884-92. [PMID: 5807956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]

Sato T, Tsukuda Y, Shiro M, Koyama H. Metal complexes of thiohydroxamic acid. Part II. Crystal structure of bis(thioacetohydroxamato)nickel(II). ACTA ACUST UNITED AC 1969. [DOI: 10.1039/j29690000125] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Koyama H, Okada K. Crystal and molecular structure of benzonorbornen-anti-9-yl p-bromobenzenesulphonate. ACTA ACUST UNITED AC 1969. [DOI: 10.1039/j29690000940] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Nakai H, Shiro M, Koyama H. Structure of julimycin B-II: X-ray crystallographic analysis and absolute configuration of 6β-bromo-7β,7αβ-epoxy-4α,6α-dihydroxy-7α-methoxy-carbonyl-3β,4β-dimethyl-3αβ,7αβ-octahydrobenzo[c]furan-1-one. ACTA ACUST UNITED AC 1969. [DOI: 10.1039/j29690000498] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Tsukuda Y, Sato T, Shiro M, Koyama H. Structure of showdomycin: X-ray analysis of N-methylbisdeoxocycloshowdomycin acetonide hydrobromide. ACTA ACUST UNITED AC 1969. [DOI: 10.1039/j29690000843] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Tsukuda Y, Matsumoto M, Minato H, Koyama H. Structure of Zygosporin A: X-ray analysis of isozygosporin A p-bromobenzoate. ACTA ACUST UNITED AC 1969. [DOI: 10.1039/c29690000041] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Kosaki G, Iwanaga T, Koyama H, Kumano T, Taniguchi H. [Lymphatic metastasis of gastric carcinoma]. GEKA CHIRYO. SURGICAL THERAPY 1968;19:889-97. [PMID: 5756124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]

Sato T, Shiro M, Koyama H. The crystal structure of syn-9-benzonorbornenyl p-bromobenzenesulphonate. ACTA ACUST UNITED AC 1968. [DOI: 10.1039/j29680000935] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Tsukuda Y, Sato T, Shiro M, Koyama H. The crystal and molecular structure of oestradiol 3-p-bromobenzoate. ACTA ACUST UNITED AC 1968. [DOI: 10.1039/j29680001387] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Sato T, Shiro M, Koyama H. Metal complexes of thio-hydroxamic acids. Part I. Crystal structure of bis(thioacetohydroxamato)nickel(II). ACTA ACUST UNITED AC 1968. [DOI: 10.1039/j29680000989] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Shiro M, Yamakawa M, Kubota T, Koyama H. The molecular structure of 4-methoxy-2,6-dimethylbenzonitrile N-oxide. ACTA ACUST UNITED AC 1968. [DOI: 10.1039/c19680001409] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Tsukuda Y, Itazaki H, Nagata W, Sato T, Shiro M, Koyama H. Stereochemistry of some halogenated steroids: crystal structures of 8beta-methyloestradiol 3-methyl ether 17-monobromoacetate and OEstradiol 3-p-bromobenzoate. Chem Ind 1967;48:2047-8. [PMID: 6064686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]

Kosaki G, Koyama H, Terasawa T, Iwanaga T, Ninomiya K. [Calcification seen in mammography]. GEKA CHIRYO. SURGICAL THERAPY 1967;17:618-21. [PMID: 5632228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]

Nakai H, Koyama H. Crystal data for some halogenated steroids. ACTA CRYSTALLOGRAPHICA 1967;23:674. [PMID: 5630586 DOI: 10.1107/s0365110x67003469] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]

Koyama H, Iwanaga T, Aoki Y, Terazawa T, Kosaki G. [Lymph node metastasis of breast cancer--with special reference to the degree of histological involvement]. GAN NO RINSHO. JAPAN JOURNAL OF CANCER CLINICS 1967;13:889-94. [PMID: 5628052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]

Nakagawa Y, Kanŏ H, Tsukuda Y, Koyama H. Structure of a new class of C-nucleoside antibiotic, showdomycin. Tetrahedron Lett 1967;42:4105-9. [PMID: 6062169 DOI: 10.1016/s0040-4039(01)89700-8] [Citation(s) in RCA: 44] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]

Kosaki G, Koyama H, Terazawa T, Aoki Y, Iwanaga T. [Histological stage classification of breast cancer]. GEKA CHIRYO. SURGICAL THERAPY 1967;17:11-8. [PMID: 5630658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]

Yamane I, Koyama H, Kusano T. Alteration of growth rate and nutritional requirement of hamster brain cells transformed by adenovirus type 12 during their long-term cultivation. TOHOKU J EXP MED 1967;92:257-64. [PMID: 6064506 DOI: 10.1620/tjem.92.257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]

Yamane I, Koyama H. Re-examination of growth-promoting nutrients for L line cells in serum-free medium. TOHOKU J EXP MED 1967;92:311-23. [PMID: 6064512 DOI: 10.1620/tjem.92.311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]

Senoo T, Uchiyama S, Koyama H, Miyajima H, Taniguchi K. [Clinical use of vinblastine sulfate for malignant lymphoma]. SAISHIN IGAKU. MODERN MEDICINE 1967;22:1275-93. [PMID: 6078784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]

Yokogawa M, Tsuji M, Koyama H, Wakejima T, Ozu S, Ogino Y. Chemotherapy of clonorchiasis sinensis. 3. Treatment of Clonorchiasis sinensis with 1,4-bis-trichloro-methylbenzol. ZEITSCHRIFT FUR TROPENMEDIZIN UND PARASITOLOGIE 1967;18:82-8. [PMID: 5589388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]

Shiro M, Sato T, Koyama H, Maki Y, Nakanishi K, Uyeo S. The stereochemistry of taxinine: X-ray analysis of 2,5,9,10-tetra-O-acetyl-14-bromotaxinol. ACTA ACUST UNITED AC 1966. [DOI: 10.1039/c1966000097b] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Fehlmann M, Koyama H, Niggli A. Die Struktur des Alkaloids C-Calebassin. Helv Chim Acta 1965. [DOI: 10.1002/hlca.19650480206] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]

Koyama H. Strukturbestimmung des N-(n-propyl)-dihydro-Nicotinsäureamid (C9H14ON2). ACTA ACUST UNITED AC 1963. [DOI: 10.1524/zkri.1963.118.1-2.51] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]