title: The origin of Pneumocystis carinii.
mesh_terms: D000818:Animals; D006801:Humans; D008081:Liposomes; D008928:Mitochondria; D011010:Pneumocystis / Q000254:growth & development*; D011020:Pneumonia, Pneumocystis / Q000635:transmission*
chemical_list: D008081:Liposomes