title: The changing epidemiology of cystic fibrosis.
authors.affiliation: Medical Department, Cystic Fibrosis Foundation, Bethesda, Maryland.
authors.forename: S C
authors.initials: SC
authors.lastname: FitzSimmons
mesh_terms: D000328:Adult; D017677:Age Distribution; D002648:Child; D002675:Child, Preschool; D003550:Cystic Fibrosis / Q000453:epidemiology* / Q000401:mortality / Q000503:physiopathology; D003625:Data Collection; D005260:Female; D006801:Humans; D015994:Incidence; D007223:Infant; D008168:Lung / Q000382:microbiology / Q000503:physiopathology; D008297:Male; D009752:Nutritional Status; D012042:Registries; D015996:Survival Rate; D014481:United States / Q000453:epidemiology