Radiographic examination of the esophagus of the dog and cat.
D000818:Animals; D002371:Cat Diseases / Q000000981:diagnostic imaging*; D002415:Cats; D004283:Dog Diseases / Q000000981:diagnostic imaging*; D004285:Dogs; D004935:Esophageal Diseases / Q000000981:diagnostic imaging / Q000662:veterinary*; D008722:Methods; D011859:Radiography