HARLAN KRUMHOLZ. Comparative Analysis of Transcatheter Aortic Valve Implantation Versus Surgical Aortic Valve Replacement in Frail Elderly Patients: A Multicenter Cohort Study. Pacific Journal of Cardiovascular Innovations, [S. l.], v. 1, n. 1, p. 12–19, 2023. DOI: 10.70818/pjci.v01i01.050. Disponível em: https://scienceget.org/index.php/pjci/article/view/50. Acesso em: 1 sep. 2025.