title: A cystic fibrosis mutation associated with mild lung disease.
mesh_terms: D002712:Chlorides / Q000032:analysis; D003550:Cystic Fibrosis / Q000175:diagnosis* / Q000235:genetics; D006801:Humans; D009154:Mutation; D012964:Sodium / Q000032:analysis; D013542:Sweat / Q000737:chemistry*
chemical_list: D002712:Chlorides; D012964:Sodium