Wylde, V., Artz, N., Marques, E., Lenguerrand, E., Dixon, S., Beswick, A. D., …Gooberman-Hill, R. (2016). Effectiveness and cost-effectiveness of outpatient physiotherapy after knee replacement for osteoarthritis: Study protocol for a randomised controlled trial. Trials, 17(1), Article 289. https://doi.org/10.1186/s13063-016-1418-x