TY - BOOK AU - Hagler, Mary J. AU - ED - ED - ED - ED - SN - 0-7216-3981-X (paperback) SN - 2 PY - 1993///.46 CY - Philadelphia PB - W. B. Saunders Company KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Positioning;Handbooks, manuals, etc.;methods;handbooks KW - Radiography, Medical;Technology, Radiologic N1 - Includes bibliographical references (p. 521-523) and index; 5 ER -