Survival of patients with polycythemia vera on busulfan or 32P.
D002066:Busulfan / Q000627:therapeutic use*; D006801:Humans; D010761:Phosphorus Radioisotopes / Q000627:therapeutic use*; D011087:Polycythemia Vera / Q000401:mortality / Q000628:therapy*
D010761:Phosphorus Radioisotopes; D002066:Busulfan