Saran, Anita, Amrusha Raipure, Ravindra Singh Chauhan, Sukesh Bohra, and Sudip Bhargava. “Comparison of Intrathecal Isobaric Ropivacaine With Fentanyl and Isobaric Bupivacaine With Fentanyl for Spinal Anesthesia for Lower Abdominal and Lower Limb Surgery”. Anaesthesia, Pain & Intensive Care 22, no. 1 (January 17, 2019): 38-42. Accessed July 3, 2024. https://apicareonline.com/index.php/APIC/article/view/18.