title: Introduction: insights into the upper airway for pulmonologists and allergists.
authors.forename: Robert M
authors.initials: RM
authors.lastname: Naclerio
mesh_terms: D000402:Airway Obstruction / Q000175:diagnosis / Q000628:therapy; D000486:Allergy and Immunology / Q000592:standards / Q000639:trends; D005544:Forecasting; D006801:Humans; D015508:Nasal Obstruction / Q000175:diagnosis / Q000628:therapy; D015272:Pulmonary Medicine / Q000592:standards / Q000639:trends; D015656:Respiratory Mechanics / Q000502:physiology*; D012221:Rhinitis, Allergic, Perennial / Q000175:diagnosis / Q000628:therapy*; D014481:United States