TY - BOOK AU - Keats,Theodore E. AU - Anderson,Mark W. TI - Atlas of normal roentgen variants that may simulate disease SN - 9780323073554 AV - RC78.2 .K42 2001 U1 - 616.07/572 21 PY - 2013/// CY - Philadelphia. PB - Elsevier KW - Radiography, Medical KW - Atlases KW - Diagnostic errors N1 - Includes index ER -