title: Historical perspectives on Pneumocystis carinii.
authors.affiliation: Veterans Administration Medical Center, University of Cincinnati College of Medicine, Ohio 45220.
authors.forename: P D
authors.initials: PD
authors.lastname: Walzer
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000150:complications; D000818:Animals; D049673:History, 20th Century; D006801:Humans; D011010:Pneumocystis / Q000502:physiology; D011020:Pneumonia, Pneumocystis / Q000209:etiology / Q000266:history / Q000469:parasitology