title: Prevalence of Pneumocystis carinii pneumonitis in severe combined immunodeficiency.
mesh_terms: D004359:Drug Therapy, Combination; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000150:complications / Q000188:drug therapy / Q000453:epidemiology*; D007223:Infant; D011010:Pneumocystis / Q000276:immunology*; D011014:Pneumonia / Q000150:complications / Q000188:drug therapy / Q000453:epidemiology*; D013420:Sulfamethoxazole / Q000627:therapeutic use; D011795:Surveys and Questionnaires; D014295:Trimethoprim / Q000627:therapeutic use; D014481:United States
chemical_list: D014295:Trimethoprim; D013420:Sulfamethoxazole