AUTHOR=Mao Jingjing , Chen Yi , Sun Linsen , Xu Xiaoxiao , Xu Kai , Ren Tingting , Xiong Xiangsheng , Zhao Weibing 

TITLE=A randomized sequential allocation study on the optimum programmed intermittent epidural boluses interval time with different concentrations of ropivacaine combined with the dural puncture epidural technique for labor analgesia

JOURNAL=Frontiers in Pharmacology

VOLUME=15

YEAR=2025

URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2024.1508514

DOI=10.3389/fphar.2024.1508514

ISSN=1663-9812