Polycythemia vera and alkylating agents.
D000477:Alkylating Agents / Q000009:adverse effects*; D002699:Chlorambucil / Q000009:adverse effects; D006801:Humans; D007938:Leukemia / Q000139:chemically induced; D011087:Polycythemia Vera / Q000188:drug therapy*
D000477:Alkylating Agents; D002699:Chlorambucil