Comparative analysis of the effects of combined spinal epidural anesthesia versus psoas compartment and sciatic nerve block for partial hip prosthesis in the geriatric population . Ann Med Res [Internet]. 2021 May 25 [cited 2025 Apr. 4];27(10):2631-8. Available from: http://annalsmedres.org/index.php/aomr/article/view/3630