Insufflation of powdered tantalum in the esophagus. New esophagographic technique.
D000818:Animals; D002415:Cats; D003287:Contrast Media; D004285:Dogs; D004947:Esophagus / Q000000981:diagnostic imaging*; D006801:Humans; D007408:Intestinal Absorption; D008722:Methods; D011208:Powders; D011859:Radiography; D013635:Tantalum / Q000633:toxicity
D003287:Contrast Media; D011208:Powders; D013635:Tantalum