A modified procedure for the estimation of vitamin B12 in natural materials of low potency.
D045728:Corrinoids; D006397:Hematinics; D012044:Regression Analysis; D014805:Vitamin B 12 / Q000032:analysis*
D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12
VITAMIN B12/determination