title: Evolving concepts of infection by Pneumocystis carinii.
authors.forename: J C
authors.initials: JC
authors.lastname: Watts
authors.forename: F W
authors.initials: FW
authors.lastname: Chandler
mesh_terms: D006801:Humans; D008016:Life Change Events; D008854:Microscopy, Electron; D009181:Mycoses / Q000473:pathology; D011010:Pneumocystis / Q000302:isolation & purification / Q000502:physiology; D011020:Pneumonia, Pneumocystis / Q000453:epidemiology / Q000382:microbiology / Q000473:pathology*; D013048:Specimen Handling; D013194:Staining and Labeling