The classic: the cervical syndrome. 1949.

UNLABELLED: This Classic article is a reprint of the original work by Ruth Jackson, MD, FACS, The Cervical Syndrome. An accompanying biographical sketch on Ruth Jackson, MD, FACS, is available at DOI 10.1007/s11999-010-1277-9. The Classic Article is ©1949 by The Dallas County Medical Society and is reprinted with permission from Jackson R. The cervical syndrome. Dallas Med J. 1949;35:139–146. A second Classic Article, The Cervical Syndrome, is attached to this article as Electronic Supplementary Material (supplemental materials are available with the online version of CORR). This article is ©1955 by Lippincott Williams and Wilkins and is reprinted with permission from Jackson R. The cervical syndrome. Clin Orthop Relat Res. 1955;5:138–148.

ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1007/s11999-010-1278-8) contains supplementary material, which is available to authorized users. Richard A. Brand MD (✉) Clinical Orthopaedics and Related Research, 1600 Spruce Street, Philadelphia, PA 19103, USA e-mail: dick.brand@clinorthop.org