when hematologic remission was achieved , patients were randomized to one of three maintenance schedules : 6-mercaptopurine alone , 6-mercaptopurine plus prednisone for 4 weeks every 3 months , or 6-mercaptopurine plus prednisone plus vincristine for 4 weeks every 3 months .
C0032952
prednisone
C0280528
mercaptopurine