Combination Chemotherapy in Treating Patients With Intermediate-Grade or High-Grade Non-Hodgkin's Lymphoma Who Have Not Responded to Anthracycline-Containing Combination Chemotherapy [clinicaltrials:NCT00002488]

Combination Chemotherapy in Treating Patients With Intermediate-Grade or High-Grade Non-Hodgkin's Lymphoma Who Have Not Responded to Anthracycline-Containing Combination Chemotherapy [clinicaltrials:NCT00002488]