Obalum D, Ibeanusi S. The Relevance of Regional Anesthesia in Orthopaedic Surgery: Concepts and techniques. Int J Med Surg Sci [Internet]. 2018 Dec. 1 [cited 2024 Nov. 5];5(4):160-3. Available from: https://revistas.uautonoma.cl/index.php/ijmss/article/view/55