1. Inferior dislocation of the distal end of the clavicle;Patterson;J. Bone Joint Surg.,1967
2. Acute dislocation of the acromioclavicular joint;Simmons;Can. J. Surg.,1968
3. Acromioclavicular separations: a useful and practical classification for treatment;Tossy;Clin. Orthop.,1963