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