title: Pneumocystis carinii: a misunderstood opportunist.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000150:complications* / Q000276:immunology; D000328:Adult; D000818:Animals; D000906:Antibodies / Q000032:analysis; D000917:Antibody Formation; D000941:Antigens / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D006168:Guinea Pigs; D006801:Humans; D007111:Immunity, Cellular; D007223:Infant; D008168:Lung / Q000469:parasitology; D008297:Male; D011010:Pneumocystis / Q000276:immunology; D011020:Pneumonia, Pneumocystis / Q000150:complications / Q000276:immunology / Q000469:parasitology*; D051381:Rats
chemical_list: D000906:Antibodies; D000941:Antigens