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- [42] A NOTE ON THE MICROBIOLOGICAL ASSAY FOR VITAMIN-B12 JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1951, 34 (01): : 225 - 226
- [50] MONO-SUBSTITUTED VITAMIN-B-12 AMIDES .1. A MICROBIOLOGICAL STUDY PROCEEDINGS OF THE SOCIETY FOR EXPERIMENTAL BIOLOGY AND MEDICINE, 1959, 100 (04): : 825 - 827