Rao, N.N. and Dr. Challa Supradeeptha 2019. Study on functional outcome of the proximal humeral internal locking system (PHILOS) for displaced proximal humeral fractures in adults. Surgical Review: International Journal of Surgery, Trauma and Orthopedics. 5, 5 (Dec. 2019), 355-364. DOI:https://doi.org/10.17511/ijoso.2019.i05.07.