Comparison of third generation balloon-expandable Edwards Sapien 3 versus self-expandable Evolut R in transcatheter aortic valve implantation: a meta-analysis - Li, Yi-Ming; Tsauo, Jia-Yu; Liao, Yan-Biao; Zhao, Zhen-Gang; Chen, Mao (Annals of Palliative Medicine, 2020)