[THE ESOPHAGOGRAM IN CARDIOLOGIC DIAGNOSIS].
D002309:Cardiology; D002318:Cardiovascular Diseases; D004947:Esophagus; D006801:Humans; D013902:Radiography, Thoracic
CARDIOVASCULAR DISEASES; ESOPHAGUS; THORACIC RADIOGRAPHY
EL ESOFAGOGRAMA EN EL DIAGN'OSTICO CARDIOL'OGICO.