title: Some factors affecting the potencies of vitamin B12 and Leuconostoc citrovorum factor of certain natural products.
authors.forename: H E
authors.initials: HE
authors.lastname: SCHEID
authors.forename: B S
authors.initials: BS
authors.lastname: SCHWEIGERT
mesh_terms: D001419:Bacteria; D001688:Biological Products; D045728:Corrinoids; D007934:Leuconostoc; D002955:Leucovorin; D014805:Vitamin B 12
chemical_list: D001688:Biological Products; D045728:Corrinoids; D014805:Vitamin B 12; D002955:Leucovorin
keywords: BACTERIA; VITAMIN B12