1. Tossy JD, Mead NC, Sigmond HM. Acromioclavicular separations: useful and practical classification for treatment. Clin Orthop Relat Res. 1963;28:111–9.
2. Allman FL. Fractures and ligamentous injuries of the clavicle and its articulation. J Bone Joint Surg Am. 1967;49 (4):774–84.
3. Rockwood CA, Green DP. Injuries to the acromioclavicular joint. In: Fractures in Adults. 2e edition. Philadelphia: JB Lippincott, 1984:860–910.
4. Rockwood CA (ed.). Fractures in adults. Lippincott-Raven, 1996:1341–1414.
5. Rockwood CA, Matsen FA. The Shoulder. 2nd edition. Philadelphia: W.B. Saunders Company, 1998:495.