The median effective concentration (EC50) of propofol with different doses of fentanyl during colonoscopy in elderly patients
Crossref DOI link: https://doi.org/10.1186/s12871-016-0189-y
Published Online: 2016-04-21
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Li, Shiyang
Yu, Fang
Zhu, Huichen
Yang, Yuting
Yang, Liqun
Lian, Jianfeng
License valid from 2015-12-01