title: The diagnosis of respiratory obstruction in infants and small children.
mesh_terms: D000402:Airway Obstruction / Q000175:diagnosis* / Q000209:etiology; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007830:Larynx / Q000002:abnormalities; D009666:Nose / Q000002:abnormalities; D012141:Respiratory Tract Infections / Q000150:complications; D014132:Trachea / Q000002:abnormalities