A Study of Trimetrexate With Leucovorin Rescue for AIDS Patients Who Are Refractory to Standard Therapies for Pneumocystis Carinii Pneumonia [clinicaltrials:NCT00000724]

A Study of Trimetrexate With Leucovorin Rescue for AIDS Patients Who Are Refractory to Standard Therapies for Pneumocystis Carinii Pneumonia [clinicaltrials:NCT00000724]