AUTHOR=Zhong Jingtao , Sui Runqian , Zi Jie , Wang Anbiao TITLE=Comparison of the effects of perioperative fentanyl and morphine use on the short-term prognosis of patients with cardiac surgery in the ICU JOURNAL=Frontiers in Pharmacology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2024.1453835 DOI=10.3389/fphar.2024.1453835 ISSN=1663-9812