for 13 patients with acute nonlymphocytic leukemia receiving four-drug combination chemotherapy ( 14 chemotherapy trials ) , leukemic bone marrow cells were obtained before treatment and were exposed in vitro to all four-drug-mixture solutions simultaneously followed by the survival assessment of leukemic colony-forming cells ( l-cfu ) .
C0023467
acute nonlymphocytic leukemia
C1517806
leukemic