Different doses of nalmefene combined with hydromorphone hydrochloride for postoperative analgesia after colorectal surgery: a randomized controlled study.
Ye WangLin ZhaoMeng WuQi AnQianqian GuoChunling FanZhenggang Guo
Published in: BMC surgery (2024)
The trial was registered with the Chinese Clinical Trial Registry (Registration number: ChiCTR2000033520, date: 03/06/2020).