P. T. Aryanugraha, I. G. N. W. Aryana, A. Sutheno, D. Dimitri, and F. Lazio, “Outcomes comparison between nsaid and placebo in the occurrence of heterotopic ossification after hip surgery: a systematic review”, World Journal of Current Med and Pharm Research, vol. 5, no. 5, pp. 228-231, Oct. 2023.