Serum erythropoietin levels in neonatal polycythemia.
D004921:Erythropoietin / Q000097:blood*; D005312:Fetal Blood / Q000032:analysis; D006801:Humans; D007231:Infant, Newborn; D011086:Polycythemia / Q000097:blood*
D004921:Erythropoietin