Wylde, Vikki, Artz, Neil, Marques, Elsa, Lenguerrand, Erik, Dixon, Samantha, Beswick, Andrew D., Burston, Amanda, Murray, James, Parwez, Tarique, Blom, Ashley W., Gooberman-Hill, Rachael, "Effectiveness and cost-effectiveness of outpatient physiotherapy after knee replacement for osteoarthritis: Study protocol for a randomised controlled trial", Trials, 2016