Bonsel, J. M., Groot, L., Cohen, A., Verhaar, J. A. N., Gademan, M. G. J., Spekenbrink-Spooren, A., Bonsel, G. J., & Reijman, M. (2022). Impact of the COVID-19 lockdown on patient-reported outcome measures in Dutch hip and knee arthroplasty patients. Acta Orthopaedica, 93, 808–818. https://doi.org/10.2340/17453674.2022.4856