title: Cystic fibrosis--controversial issues.
authors.affiliation: South African Cystic Fibrosis Medical and Scientific Advisory Committee, Johannesburg.
authors.forename: M
authors.initials: M
authors.lastname: Ramsay
mesh_terms: D003550:Cystic Fibrosis / Q000175:diagnosis* / Q000235:genetics; D006801:Humans