Littlewood, C., Malliaras, P., Mawson, S., May, S., & Walters, S. J. (2014). Self-managed loaded exercise versus usual physiotherapy treatment for rotator cuff tendinopathy: A pilot randomised controlled trial. Physiotherapy, 100(1), 54-60. https://doi.org/10.1016/j.physio.2013.06.001