Concomitant intra-articular glenohumeral injuries in displaced fractures of the lateral clavicle. - Beirer, Marc; Zyskowski, Michael; Crönlein, Moritz; Pförringer, Dominik; Schmitt-Sody, Marcus; Sandmann, Gunther; Huber-Wagner, Stefan; Biberthaler, Peter; Kirchhoff, Chlodwig (Knee Surgery, Sports Traumatology, Arthroscopy, 2017)