Kahlenberg, C. A., Patel, R. M., Knesek, M., Tjong, V. K., Sonn, K., Terry, M. A. Efficacy of Celecoxib for Early Postoperative Pain Management in Hip Arthroscopy: A Prospective Randomized Placebo-Controlled Study. Arthroscopy 2017; 6: 1180-1185