[ON THE USE OF AN IMAGE AMPLIFIER IN THE ROENTGEN DIAGNOSIS OF THE GASTROINTESTINAL TRACT].
D002299:Cardia; D041981:Gastrointestinal Tract; D011859:Radiography; D011871:Radiology; D013679:Technology, Radiologic
CARDIA; GASTROINTESTINAL SYSTEM; RADIOGRAPHY; TECHNOLOGY, RADIOLOGIC