Trimethoprim-Sulfamethoxazole Prophylaxis in Granulocytopenic Patients with Acute Leukemia: Evaluation of Serum Antibiotic Levels in a Randomized, Double-Blind, Placebo-Controlled Department of Veterans Affairs Cooperative StudyThomas Ward, Ronald G. Thomas, Shigeru Ochi et al.|Clinical Infectious Diseases|1993Cited by 23