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- [21] UPTAKE OF RADIOACTIVE VITAMIN-B12 BY BACTERIA IN SINGLE AND MIXED CULTURESFEDERATION PROCEEDINGS, 1951, 10 (01) : 380 - 380DAVIS, RLLAYTON, LLCHOW, BF
- [22] PRODUCTION OF VITAMIN-B12 BY METHANOL-ASSIMILATING BACTERIAJOURNAL OF FERMENTATION TECHNOLOGY, 1974, 52 (12): : 921 - 924TANAKA, AOHYA, YSHIMIZU, SFUKUI, S
- [23] TRACER STUDIES WITH THE VITAMINS-B12 .1. NEUTRON IRRADIATION OF VITAMIN-B12BIOCHEMICAL JOURNAL, 1952, 52 (04) : 384 - 387SMITH, EL
- [25] FURTHER STUDIES ON THE RELATIONSHIP OF VITAMIN-B12 TO ENZYMES IN RAT LIVERJOURNAL OF BIOLOGICAL CHEMISTRY, 1953, 202 (02) : 607 - 610WILLIAMS, JNMONSON, WJHARPER, AEELVEHJEM, CA
- [26] FURTHER STUDIES ON THE RAT GROWTH ASSAY FOR VITAMIN-B12 ACTIVITYARCHIVES OF BIOCHEMISTRY, 1950, 29 (02): : 408 - 412TAPPAN, DVLEWIS, UJREGISTER, UDELVEHJEM, CA
- [27] STUDIES ON VITAMIN-B12 PRODUCTION WITH STREPTOMYCES-OLIVACEUSAPPLIED MICROBIOLOGY, 1953, 1 (03) : 124 - 129HALL, HHBENEDICT, RGWIESEN, CFSMITH, CEJACKSON, RW
- [28] ISOLATION OF CONCENTRATED AND CRYSTALLINE VITAMIN-B12 FROM TOWN SEWAGE SUBJECTED TO METHANE FERMENTATIONACTA BIOCHIMICA POLONICA, 1956, 3 (02) : 141 - 151JANICKI, JPAWELKIEWICZ, JNOWAKOWSKA, K
- [29] VITAMIN-B12 PRODUCING FERMENTATIONS WITH A MIXED BACTERIUM POPULATION OF SEWAGE SLUDGE ORIGIN .2. ANAEROBIC VITAMIN-B12 PRODUCING FERMENTATION IN ELASTIC FERMENTORSACTA MICROBIOLOGICA ACADEMIAE SCIENTIARUM HUNGARICAE, 1972, 19 (02): : 87 - 96SZONTAGH, TSIMONOVITS, EJOHAN, B
- [30] FURTHER STUDIES ON THE ABSORPTION OF VITAMIN-B12 FOLLOWING ORAL AND PARENTERAL ADMINISTRATIONJOURNAL OF NUTRITION, 1951, 45 (04): : 507 - 519YAMAMOTO, RBARROWS, CLANG, CCHOW, BF