Willemsen, Koen, et al. “Long-Term Outcomes of the Hip Shelf Arthroplasty in Adolescents and Adults With Residual Hip Dysplasia: A Systematic Review”. Acta Orthopaedica, vol. 91, no. 4, Apr. 2020, pp. 383–389, doi:10.1080/17453674.2020.1747210.