Minimum effective volume of ropivacaine 0.25% in 90% of patients (MEV90) for ultrasound-guided superior trunk block: study protocol for a single-center, sequential-randomized trial
Year: 2022
Type: preprint
Study design: Study Protocol
Source: Research Square
Authors: Kai Wang, Ming Gong, Dong-yu Zheng, Jin-xiang Zhang, Yang-yang Zhou, yonghua li
Institution: Shanghai Changzheng Hospital
Language: English
Subfield: Surgery
Field: Medicine
Domain: Health Sciences
Open Access status: green
OpenAlex ID: W4285089558