Remifentanyl vs Fentanyl impact on Ejection Fraction and Troponin in off pump cardiac surgery. Baghdad Journal of Biochemistry and Applied Biological Sciences, [S. l.], v. 7, n. 2, p. 169–176, 2026. DOI: 10.47419/bjbabs.v7i2.452. Disponível em: https://www.bjbabs.org/index.php/bjbabs/article/view/452. Acesso em: 15 apr. 2026.