Sayler, Mary Harwell. The encyclopedia of the back and spine systems and disorders / Back and spine systems and disorders Mary Harwell Sayler with Arya Nick Shamie. - New York, NY : Facts On File, c2007. - p. cm. Includes bibliographical references and index. ISBN: 9780816066780 (hc : alk. paper) LCCN: 2006035678 Subjects--Topical Terms: Back--Diseases--Encyclopedias.Spine--Diseases--Encyclopedias. LC Class. No.: RD768 / .S6277 2007 Dewey Class. No.: 617.5/64