“Comparison of General Vs Spinal Anesthesia for Direct Anterior Approach Total Hip Arthroplasty in Elderly Patients: A Retrospective Study”. Annals of Medical Research 30, no. 2 (February 27, 2023): 267–271. Accessed January 28, 2026. http://www.annalsmedres.org/index.php/aomr/article/view/4194.