van der Hoeven, Henk, Wim Keessen, and Wietze Kuis. “Idiopathic Chondrolysis of the Hip A Distinct Clinical Entity?”. Acta Orthopaedica 60, no. 6 (January 1, 1989): 661–663. Accessed May 20, 2026. https://actaorthop.org/actao/article/view/22640.