Reference

Search for REF=[1572].

1572
Hall, H. H., Benedict, R. G., Wiesen, C. F., Smith, C. E. and Jackson, R. W.
Studies on vitamin B₁₂ production with Streptomyces olivaceus.
Appl. Microbiol. 1: 124-129, 1953.
PMID: 13041183.