between july 1 , 1981 and november 1 , 1982 , 45 patients with acute nonlymphocytic leukemia ( age , greater than or equal to 70 years ) were randomly assigned to receive induction chemotherapy using either daunorubicin , cytosine arabinoside , and 6-thioguanine in full dosage ( f dat ) or an attenuated schedule of the same drugs ( at dat ) as part of an eastern cooperative oncology group controlled trial .
C0023467
acute nonlymphocytic
C0011015
daunorubicin