Ramachandran, K., J. Mathew, P. Koraboina, and P. S. John. “Prospective Observational Study Evaluating the Outcome of a Fixed Angle Plate (proximal Humerus Internal Locking System) in Proximal Humerus Fractures”. International Journal of Research in Orthopaedics, vol. 6, no. 1, Dec. 2019, pp. 117-22, doi:10.18203/issn.2455-4510.IntJResOrthop20195804.