Samal, D., Sahoo, R. and Patra, K. 2017. Multisite ropivacaine for pain relief after laparoscopic cholecystectomy: a placebo controlled study at a tertiary care teaching hospital. International Surgery Journal. 5, 1 (Dec. 2017), 115–119. DOI:https://doi.org/10.18203/2349-2902.isj20175550.