title: Busulphan treatment of polycythaemia vera.
mesh_terms: D002066:Busulfan / Q000627:therapeutic use*; D002699:Chlorambucil / Q000009:adverse effects; D002986:Clinical Trials as Topic; D006801:Humans; D007938:Leukemia / Q000139:chemically induced; D011087:Polycythemia Vera / Q000188:drug therapy* / Q000401:mortality
chemical_list: D002699:Chlorambucil; D002066:Busulfan