@book{120152,
	author = {Bontrager, Kenneth L. and Lampignano, John P.},
	title = {Textbook of Radiograpic positioning and related anatomy/},
	publisher = {Elsevier,},
	year = { 28 cm.},
	address = {Missouri :},
	edition = {8th edition.},
	note = {Includes index.}
}