Iron as a stabilizer of vitamin B12 activity in liver extracts and the nature of so-called alkalistable factor.
D007501:Iron / Q000494:pharmacology*; D008110:Liver Extracts; D014805:Vitamin B 12 / Q000032:analysis*
D008110:Liver Extracts; D007501:Iron; D014805:Vitamin B 12
IRON/effects; LIVER EXTRACTS; VITAMIN B12/determination