Breazu, C. M., Ciobanu, L., Bartos, A., Bodea, R., Mircea, P. A., & Ionescu, D. (2017). Pethidine efficacy in achieving the ultrasound-guided oblique subcostal transversus abdominis plane block in laparoscopic cholecystectomy: A prospective study. Bosnian Journal of Basic Medical Sciences, 17(1), 67-73. https://doi.org/10.17305/bjbms.2016.1647