title: [Distribution of blood groups in premature infants].
mesh_terms: D001789:Blood Group Antigens; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature / Q000097:blood*
chemical_list: D001789:Blood Group Antigens
keywords: BLOOD GROUPS; INFANT, PREMATURE/blood