Hofstad JK, Winther SB, Rian T, Foss OA, Husby OS, Wik TS. Perioperative local infiltration anesthesia with ropivacaine has no effect on postoperative pain after total hip arthroplasty. ActaO [Internet]. 2015 Nov. 2 [cited 2024 Oct. 19];86(6):654-8. Available from: https://actaorthop.org/actao/article/view/10010