Reliability, validity, and responsiveness of the American Shoulder and Elbow Surgeons subjective shoulder scale in patients with shoulder instability, rotator cuff disease, and glenohumeral arthritis - Kocher, M S; Horan, M P; Briggs, K K; Richardson, T R; O'Holleran, J; Hawkins, R J (J Bone Joint Surg Am, 2005)