Keats, Theodore E. 1924-2010. Atlas of normal roentgen variants that may simulate disease / Theodore E. Keats. - 4th ed. - Chicago : Year Book Medical Publishers, c1988. - xv, 1085 p. : chiefly ill. ; 28 cm. Includes bibliographical references and index. ISBN: 0815150474 Subjects--Topical Terms: Radiography, Medical--Atlases.Diagnostic errors--Atlases.Radiography--atlases. LC Class. No.: RC78.2 / .K43 1988