title: [Diagnostic difficulties in cystic fibrosis].
authors.affiliation: Servicio de Medicina Digestiva, Hospital Universitario La Fe, Valencia.
authors.forename: F
authors.initials: F
authors.lastname: Pérez-Aguilar
mesh_terms: D003550:Cystic Fibrosis / Q000175:diagnosis* / Q000235:genetics; D005838:Genotype; D006801:Humans; D013542:Sweat / Q000737:chemistry