Atovaquone Compared with Dapsone for the Prevention ofPneumocystis cariniiPneumonia in Patients with HIV Infection Who Cannot Tolerate Trimethoprim, Sulfonamides, or Both

Atovaquone Compared with Dapsone for the Prevention ofPneumocystis cariniiPneumonia in Patients with HIV Infection Who Cannot Tolerate Trimethoprim, Sulfonamides, or Both