TY - BOOK AU - Bontrager, Kenneth L. AU - ED - ED - ED - ED - SN - 815109474 SN - 2 PY - 1997///];copyright 1997.46 CY - St. Louis PB - Mosby KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Positioning KW - Radiography, Medical;Human anatomy N1 - Includes bibliographical references (p. 754) and index; 5 ER -