@book{6904,
	author = {Zaino, Costantino and Beneventano, Thomas C.},
	title = {Radiologic Examination of the Orohypopharynx and Esophagus: barium swallow},
	publisher = {Springer-Verlag},
	year = {1977},
	address = {New York},
	note = {Includes bibliographical references and index}
}