TY - JOUR T1 - Levosimendan vs. Intra-Aortic Balloon Pump in Coronary Artery Bypass Grafting: A Meta-Analysis JO - Brazilian Journal of Cardiovascular Surgery A1 - Wang, Yanjie A1 - Qu, Jinluan A1 - Sheng, Dan A1 - Sun, Xiang A1 - Zhong, Liqin A1 - Wu, Yingjie A1 - Liang, Hao SN - 0102-7638 UL - 10.21470/1678-9741-2025-0057 VL - 41 Y1 - 2026 PB - Brasil ER -