Anatomy and technique in evaluating the esophagus.
D002933:Cineradiography / Q000379:methods; D004943:Esophagogastric Junction / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D004947:Esophagus / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D006801:Humans; D007013:Hypopharynx / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D011859:Radiography / Q000379:methods*