AUTHOR=Zhao Jie , Zhang Yixiao , Su Guowei , Wang Shaoyi , Zhang Xiaolin , Wang Guoxiang , Chen Gang TITLE=The median effective dose of ciprofol combined with a low-dose sufentanil for gastroscopy in obese or nonobese patients: a dose-finding study using Dixon’s up-and-down method JOURNAL=Frontiers in Pharmacology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2025.1521715 DOI=10.3389/fphar.2025.1521715 ISSN=1663-9812