title: Advantages of a two-step laboratory approach for cystic fibrosis carrier screening.
authors.forename: A L
authors.initials: AL
authors.lastname: Beaudet
authors.forename: W E
authors.initials: WE
authors.lastname: O'Brien
mesh_terms: D003550:Cystic Fibrosis / Q000175:diagnosis* / Q000235:genetics; D006580:Genetic Carrier Screening; D006801:Humans