title: You're the flight surgeon: cystic fibrosis.
authors.affiliation: USAF, MC, SFS.
authors.forename: Raymond J
authors.initials: RJ
authors.lastname: Clydesdale
mesh_terms: D000337:Aerospace Medicine; D053713:Azoospermia / Q000175:diagnosis*; D001706:Biopsy; D001999:Bronchoscopy; D003550:Cystic Fibrosis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008889:Military Personnel