Husby, Torstein, Jan-Ragnar Haugstvedt, Merete Brandt, Inger Holm, and Harald Steen. 2003. “Open Versus Arthroscopic Subacromial DecompressionA Prospective, Randomized Study of 34 Patients Followed for 8 Years”. Acta Orthopaedica 74 (4):408-14. https://doi.org/10.1080/00016470310017703.