This Classic Article is a reprint of the original work by G. Perthes, On juvenile arthritis deformans. An accompanying biographical sketch of G. Perthes is available at DOI 10.1007/s11999-012-2432-2. The Classic Article is © 1910 and is reprinted from Über Arthritis deformans juvenilis. Deutsch Zeitschr Chir. 1910;107:111–159.
Electronic supplementary material: The online version of this article contains two supplementary documents available to authorized users. A PDF of the original article in German (doi:10.1007/s11999-012-2433-1) and searchable PDF of the reset article in German (doi:10.1007/s11999-012-2433-1).