An early attempt at isolating the antianaemic principle in liver.
D045728:Corrinoids; D008099:Liver / Q000737:chemistry*; D014805:Vitamin B 12 / Q000737:chemistry*; D014803:Vitamin B Complex
D045728:Corrinoids; D014803:Vitamin B Complex; D014805:Vitamin B 12
LIVER/chemistry; VITAMIN B 12/chemistry