%20Processes_v2.0_Final.pdf. 2. Camu F, Borgeat A, Heylen RJ, Viel EJ, Boye ME, Cheung RY. Parecoxib,propacetamol, and their combination for analgesia after total hip arthroplasty: a randomized non-inferiority trial. Acta Anaesthesiol Scand 61(1): 99-110, 2017 DOI: 10.1111/aas.12841. 3. Gupta A, Abubaker H, Demas E, Ahrendtsen L. A Randomized Trial Comparing theSafety and Efficacy of Intravenous Ibuprofen versus Ibuprofen Acetaminophen as a Component of 15 Multimodal Analgesia After Total Hip Arthroplasty: A Randomized, Blinded Trial. The Journal of arthroplasty 34(7S): S215-S20, 2019 DOI: 10.1016/j.arth.2019.02.030. 18. Zhou TJ, Tang J, White PF. Propacetamol versus ketorolac for treatment of acutepostoperative pain after total hip or knee replacement. Anesthesia and analgesia 92(6): 1569-75, 2001 DOI: 10.1097/00000539