title: Pneumocystis carinii: what is it and from whence does it come?
authors: Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105.
authors: W T
authors: WT
authors: Hughes
mesh_terms: D000818:Animals; D006801:Humans; D011010:Pneumocystis; D011020:Pneumonia, Pneumocystis / Q000382:microbiology; D012106:Research