Spatschil, A;Landsiedl, F;Anderl, W;Imhoff, A;Seiler, H;Vassilev, I;Klein, W;Boszotta, H;Hoffmann, F;Rupp, S.Posttraumatic anterior-inferior instability of the shoulder: arthroscopic findings and clinical correlations..Arch Orthop Trauma Surg.2006.126.4.217-22