“To compare the anaesthetic effectiveness and safety of ropivacaine 0.75% with bupivacaine 0.5% for spinal anaesthesia in patients having lower limb orthopedic surgery” (2025) Continental Medical and Health Horizons, 1(1), pp. 25–30. Available at: https://umedpress.com/index.php/CMHH/article/view/25 (Accessed: 2 November 2026).