[A rapid paper chromatographic separation of vitamin B 12].
D002854:Chromatography, Paper; D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12 / Q000737:chemistry*; D014803:Vitamin B Complex
D045728:Corrinoids; D006397:Hematinics; D014803:Vitamin B Complex; D014805:Vitamin B 12
VITAMIN B 12/chemistry