Varun S, Srivastava M, Maurya I, Garg R, Dhama V, Mani YK. A clinical prospective, randomized study to compare intrathecal isobaric bupivacaine – fentanyl and isobaric ropivacaine – fentanyl for lower abdominal and lower limb surgeries. apic [Internet]. 3Feb.2019 [cited 23Nov.2024];:237-42. Available from: https://mail.apicareonline.com/index.php/APIC/article/view/522