title: [Studies on erythropoietin-independent erythropoiesis in polycythemia vera].
mesh_terms: D000328:Adult; D000368:Aged; D001772:Blood Cell Count; D004920:Erythropoiesis; D004921:Erythropoietin / Q000502:physiology*; D005260:Female; D006412:Hematopoietic Stem Cells / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011087:Polycythemia Vera / Q000097:blood*
chemical_list: D004921:Erythropoietin