title: Specificity of the vitamin B12 requirement in certain marine bacteria.
mesh_terms: D001419:Bacteria / Q000378:metabolism*; D045728:Corrinoids; D014805:Vitamin B 12 / Q000378:metabolism*
chemical_list: D045728:Corrinoids; D014805:Vitamin B 12
keywords: BACTERIA/metabolism; VITAMIN B 12/metabolism