Normal anatomy of the larynx and pharynx and the differential diagnosis of foreign bodies.
D000402:Airway Obstruction / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D005547:Foreign Bodies / Q000000981:diagnostic imaging*; D006801:Humans; D007818:Laryngeal Diseases / Q000000981:diagnostic imaging; D007830:Larynx / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D009999:Ossification, Heterotopic / Q000000981:diagnostic imaging; D010614:Pharynx / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D011859:Radiography