Differential serum vitamin B12 concentrations in mothers and infants.
D005260:Female; D006397:Hematinics; D006801:Humans; D007231:Infant, Newborn / Q000097:blood; D009035:Mothers; D011247:Pregnancy / Q000097:blood; D014805:Vitamin B 12 / Q000097:blood*
D006397:Hematinics; D014805:Vitamin B 12
INFANT, NEWBORN/blood in; PREGNANCY/blood in; VITAMIN B12/in blood