TY - BOOK AU - Ballinger, Philip W. AU - ED - ED - ED - ED - SN - 0801601703;9780801601705;0801601932;9780801601934;0801601940;9780801601941;0801601959;9780801601958 SN - 2 PY - 1991///];copyright 1991.46 CY - St. Louis PB - Mosby Yearbook KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Positioning KW - Radiography, Medical;Technology, Radiologic KW - Atlases.;Atlases KW - Humans;Radiography N1 - Includes bibliographical references and index; 5 ER -