SWALLOW, R. A. <br/><br/>
Clark's positioning in radiography. 
R. A. Swallow, E. Naylor (Eds.) 
 - \\  11th ed. 
 - London  Heinemann  1986 
 - 418p. 
<br/><br/><label>ISBN: </label>433188383 
<br/><br/><label>Subjects--Personal Names: </label><br/>Radiography, radioscopy, radiodiagnosis, skiagraphy, tomography.;Gamma rays.;Grenz rays.;Natural science;Radiology and Atomic Energy;X-rays in diagnosis, and in biological research (the study of the diseased and normal organism).;Roentgen rays (X-rays).;X