The analgesic efficacy of subcostal transversus abdominis plane block with Mercedes incision.
Jian-Guo GuoHui-Ling LiQing-Qing PeiZhi-Ying FengPublished in: BMC anesthesiology (2018)
The study protocol was registered at http://www.chictr.org.cn (ChiCTR-TRC- 14004827) on February 19, 2014.