title: Congenital erythrocytosis in the absence of detectable erythropoietin.
mesh_terms: D002648:Child; D004921:Erythropoietin / Q000097:blood*; D005260:Female; D006801:Humans; D011086:Polycythemia / Q000097:blood / Q000151:congenital* / Q000235:genetics
chemical_list: D004921:Erythropoietin