Clark, Kathleen C. Clark's Positioning in radiography. - 10th ed. / - London : Heinemann Medical Books, -1981 - v. : ill. ISBN 0-433-18832-4 (v. 1). ISBN: 0433188324 9780433188322 Subjects--Topical Terms: Technology, Radiologic National Library of Medicine Call No.: WN 160 / .C53 1981