Reigstad, Astor, and Magne Røkkum. “An Intrapelvlc Granuloma Induced by Acetabular Cup Loosening”. Acta Orthopaedica 63, no. 4 (January 1, 1992): 465–466. Accessed May 2, 2026. https://actaorthop.org/actao/article/view/22047.