Phruetthiphat, O. A., Lawanprasert, A., Khuangsirikul, S., Heebtamai, D., Chotanaphuti, T. Effectiveness of Periarticular Injection After Bipolar Hemiarthroplasty for Displaced Femoral Neck Fracture in Elderly Patients: A Double Blinded Randomized, Controlled Study. Journal of Arthroplasty 2021; 0: 16