Reference

Search for REF=[1958].

1958
Kashket, S., Kaufman, J. T. and Beck, W. S.
The metabolic functions of vitamin B₁₂ III. Vitamin B₁₂ binding in Lactobacillus leichmannii and other lactobacilli.
Biochim. Biophys. Acta 64: 447-456, 1962.
DOI: 10.1016/0006-3002(62)90302-5.