Venugopalan, PG, Madhu Velayuden, Suresh Babu, Surya Chandran, and P Parvathy. “Preferential Unilateral Epidural Anaesthesia for Lower Limb Orthopaedic Surgeries”. Kerala Medical Journal 13, no. 1 (March 23, 2020): 13-16. Accessed May 3, 2024. https://www.keralamedicaljournal.com/index.php/KMJ/article/view/583.