title: PHS issues guidelines for P. carinii pneumonia prophylaxis.
mesh_terms: D000328:Adult; D015704:CD4 Antigens / Q000032:analysis; D002675:Child, Preschool; D005500:Follow-Up Studies; D015658:HIV Infections / Q000276:immunology; D006801:Humans; D007223:Infant; D007958:Leukocyte Count; D010419:Pentamidine / Q000008:administration & dosage; D011020:Pneumonia, Pneumocystis / Q000276:immunology / Q000517:prevention & control*; D006377:T-Lymphocytes, Helper-Inducer / Q000276:immunology; D015662:Trimethoprim, Sulfamethoxazole Drug Combination / Q000008:administration & dosage; D014481:United States; D014492:United States Public Health Service
chemical_list: D015704:CD4 Antigens; D010419:Pentamidine; D015662:Trimethoprim, Sulfamethoxazole Drug Combination