Pneumocystis pneumonia.
D000293:Adolescent; D004338:Drug Combinations / Q000627:therapeutic use; D006801:Humans; D011020:Pneumonia, Pneumocystis / Q000097:blood*; D013420:Sulfamethoxazole / Q000097:blood* / Q000627:therapeutic use; D014295:Trimethoprim / Q000627:therapeutic use; D015662:Trimethoprim, Sulfamethoxazole Drug Combination
D004338:Drug Combinations; D015662:Trimethoprim, Sulfamethoxazole Drug Combination; D014295:Trimethoprim; D013420:Sulfamethoxazole