van der Voort, Paul, Bart G Pijls, Marc J Nieuwenhuijse, Jorrit Jasper, Marta Fiocco, Josepha W M Plevier, Saskia Middeldorp, Edward R Valstar, and Rob G H H Nelissen. 2015. “Early Subsidence of Shape-Closed Hip Arthroplasty Stems Is Associated With Late Revision”. Acta Orthopaedica 86 (5):575-85. https://doi.org/10.3109/17453674.2015.1043832.