title: Esophageal speech: double-contrast evaluation of the pharyngo-esophageal segment.
mesh_terms: D003287:Contrast Media; D004947:Esophagus / Q000000981:diagnostic imaging*; D006801:Humans; D007825:Laryngectomy / Q000009:adverse effects; D010614:Pharynx / Q000000981:diagnostic imaging*; D011859:Radiography; D013064:Speech Disorders / Q000000981:diagnostic imaging; D013071:Speech, Alaryngeal / Q000295:instrumentation*; D013072:Speech, Esophageal / Q000295:instrumentation*
chemical_list: D003287:Contrast Media