title: Observations on two newer hemopoietic vitamins, vitamin B12 and animal protein factor.
authors.forename: W J
authors.initials: WJ
authors.lastname: DARBY
authors.forename: E
authors.initials: E
authors.lastname: JONES
mesh_terms: D000818:Animals; D006801:Humans; D014805:Vitamin B 12; D014803:Vitamin B Complex; D014812:Vitamin K; D014815:Vitamins
chemical_list: D014815:Vitamins; D014803:Vitamin B Complex; D014812:Vitamin K; D014805:Vitamin B 12
keywords: VITAMINS