The iron of the newborn baby.
D006454:Hemoglobins / Q000737:chemistry*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn / Q000737:chemistry; D007501:Iron / Q000737:chemistry*
D006454:Hemoglobins; D007501:Iron
HEMOGLOBIN/chemistry; INFANT, NEWBORN/chemistry; IRON/chemistry