[Determination of vitamin B12].
D000293:Adolescent; D000328:Adult; D000368:Aged; D000740:Anemia / Q000097:blood / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008722:Methods; D008875:Middle Aged; D011247:Pregnancy; D014805:Vitamin B 12 / Q000097:blood* / Q000378:metabolism; D014806:Vitamin B 12 Deficiency / Q000150:complications
D014805:Vitamin B 12