Randomised controlled trial of referral to a telephone-based weight management and healthy lifestyle programme for patients with knee osteoarthritis who are overweight or obese: a study protocol

- O'Brien, Kate M.; Wiggers, John; Williams, Christopher; Williams, Amanda; Campbell, Elizabeth; Wolfenden, Luke; Yoong, Serene; Robson, Emma; McAuley, James; Haskins, Robin; Kamper, Steven J.