title: Pneumocystis carinii pneumonia in a previously healthy adult.
mesh_terms: D000328:Adult; D000367:Age Factors; D006716:Homosexuality; D006801:Humans; D008168:Lung / Q000473:pathology; D008297:Male; D010419:Pentamidine / Q000627:therapeutic use; D011020:Pneumonia, Pneumocystis / Q000188:drug therapy / Q000473:pathology; D013902:Radiography, Thoracic; D013420:Sulfamethoxazole / Q000627:therapeutic use; D014295:Trimethoprim / Q000627:therapeutic use
chemical_list: D010419:Pentamidine; D014295:Trimethoprim; D013420:Sulfamethoxazole