SWALLOW R A Clark's Positioning in radiography. [Book /] SWALLOW R A. - 11th ed. / edited by R.A. Swallow ... [et al.]. - Oxford ; Boston : Butterworth-Heinemann, c1986 - 418 p. : ill. ; 30 cm. Includes index. All Ages. LCCN: 97179704 Subjects--Topical Terms: Radiography, Medical--Positioning.Radiography. LC Class. No.: RC78.4 / .C56 1986 Dewey Class. No.: 616.07572