title: Roentgen examination of the larynx and hypopharynx.
mesh_terms: D001466:Barium Sulfate; D002277:Carcinoma / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D004825:Epiglottis / Q000000981:diagnostic imaging; D006801:Humans; D007642:Keratosis / Q000000981:diagnostic imaging; D007817:Laryngeal Cartilages / Q000000981:diagnostic imaging; D007818:Laryngeal Diseases / Q000000981:diagnostic imaging; D007819:Laryngeal Edema / Q000000981:diagnostic imaging; D007822:Laryngeal Neoplasms / Q000145:classification / Q000000981:diagnostic imaging*; D007830:Larynx / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D007971:Leukoplakia / Q000000981:diagnostic imaging; D008722:Methods; D010610:Pharyngeal Neoplasms / Q000145:classification / Q000000981:diagnostic imaging; D010614:Pharynx / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D011127:Polyps / Q000000981:diagnostic imaging; D011859:Radiography; D014054:Tomography; D014636:Valsalva Maneuver; D014826:Vocal Cord Paralysis / Q000000981:diagnostic imaging; D014827:Vocal Cords / Q000000981:diagnostic imaging
chemical_list: D001466:Barium Sulfate