title: Vitamin B12 content of blood from various species.
authors.forename: J R
authors.initials: JR
authors.lastname: COUCH
authors.forename: O
authors.initials: O
authors.lastname: OLCESE
authors.forename: P W
authors.initials: PW
authors.lastname: WITTEN
authors.forename: R W
authors.initials: RW
authors.lastname: COLBY
mesh_terms: D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12; D014803:Vitamin B Complex
chemical_list: D045728:Corrinoids; D006397:Hematinics; D014803:Vitamin B Complex; D014805:Vitamin B 12