Bawa, A. S.; Garg, R.; Mahindra, P.; Singal, S.; Yamin, M. Functional Outcome and Incidence of Avascular Necrosis After Two Years in Four Part Proximal Humeral Fractures Treated by Proximal Humerus Internal Locking System. Int J Res Med Sci 2016, 4, 4979-4984.