title: Pneumocystis pneumonia--Los Angeles.
mesh_terms: D000328:Adult; D002140:California; D003587:Cytomegalovirus / Q000276:immunology / Q000302:isolation & purification*; D006716:Homosexuality; D006801:Humans; D007153:Immunologic Deficiency Syndromes; D008297:Male; D011020:Pneumonia, Pneumocystis / Q000175:diagnosis / Q000453:epidemiology* / Q000635:transmission