Willemsen, Koen, Christiaan J Doelman, Ali S Y Sam, Peter R Seevinck, Ralph J B Sakkers, Harrie Weinans, and Bart C H Van Der Wal. 2020. “Long-Term Outcomes of the Hip Shelf Arthroplasty in Adolescents and Adults With Residual Hip Dysplasia: A Systematic Review”. Acta Orthopaedica 91 (4):383–389. https://doi.org/10.1080/17453674.2020.1747210.