title: Combination chemotherapy with cyclophosphamide, vincristine, and prednisone in the treatment of refractory chronic lymphocytic leukemia.
mesh_terms: D000368:Aged; D002986:Clinical Trials as Topic; D003520:Cyclophosphamide / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D011241:Prednisone / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D014750:Vincristine / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D014750:Vincristine; D003520:Cyclophosphamide; D011241:Prednisone