AUTHOR=Qin Rui , Xu Xiangzhao , Zhao Na , Shi Yongqiang , Chen Yi , Chen Jinhua , Ni Xinli TITLE=Effect of different prophylactical doses of ondansetron for the hemodynamic stability in patients undergoing cesarean section: a randomized controlled study JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1495721 DOI=10.3389/fmed.2025.1495721 ISSN=2296-858X