Haemoglobin levels in premature infants.
D006454:Hemoglobins; D006801:Humans; D007223:Infant; D007231:Infant, Newborn / Q000097:blood; D007234:Infant, Premature / Q000097:blood*
D006454:Hemoglobins
HEMOGLOBIN; INFANT, NEWBORN/blood in; INFANT, PREMATURE/blood in