共 50 条
- [1] PRODUCTION OF VITAMIN B12 BY ACTINOMYCES OLIVACEUS ON DEFINED MEDIUM MICROBIOLOGY-USSR, 1961, 30 (01): : 23 - &
- [5] VITAMIN B12 DERIVATIVES IN HUMAN ORGANISM SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION, 1967, S 19 : 3 - +