title: Pneumocystis carinii pneumonia in an apparently nonimmunocompromised patient.
mesh_terms: D000328:Adult; D002180:Candidiasis, Oral / Q000150:complications; D003586:Cytomegalovirus Infections / Q000150:complications; D006801:Humans; D008297:Male; D011020:Pneumonia, Pneumocystis / Q000150:complications / Q000209:etiology / Q000276:immunology*; D011502:Protein-Energy Malnutrition / Q000150:complications; D013601:T-Lymphocytes / Q000502:physiology*