Dollete, M. C., Langit, M., Castillo, J. J., & Brabante, A. M. (2024). Relationship Between Surgery Timing and Hidden Blood Loss in Proximal Femoral Nailing of Pertrochanteric Fractures in Elderly Patients: A Cross-Sectional Study. Philippine Journal of Orthopaedics, 39(1), 7–10. https://doi.org/10.69472/poai.2024.02