Panjiyar, S. K. ., and R. . Goel. “Comparative Evaluation of Levo-Bupivacaine Against Ropivacaine for Post-Operative Pain Relief in Patients of Laparoscopic Appendectomy”. Innovative Journal of Medical and Health Sciences, vol. 10, no. 09, Sept. 2020, pp. 1225-30, doi:10.15520/ijmhs.v10i09.3085.