title: A simple technique for double-contrast oesophagrams.
authors: Department of Diagnostic Radiology, Royal Perth Hospital, Western Australia.
authors: P M
authors: PM
authors: Yoong
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging; D000368:Aged; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging; D004947:Esophagus / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008722:Methods; D011859:Radiography