title: [Endoscopic examination, anatomic variants and special circumstances].
authors.forename: D
authors.initials: D
authors.lastname: Simmen
authors.forename: N
authors.initials: N
authors.lastname: Jones
mesh_terms: D004724:Endoscopy / Q000379:methods*; D006801:Humans; D009666:Nose / Q000002:abnormalities*; D009668:Nose Diseases / Q000175:diagnosis*; D010254:Paranasal Sinus Diseases / Q000175:diagnosis