Effectiveness and Safety of Apixaban in over 3.9 Million People with Atrial Fibrillation: A Systematic Review and Meta-Analysis. - Buckley, Benjamin J. R.; Lane, Deirdre A.; Calvert, Peter; Zhang, Juqian; Gent, David; Mullins, C. Daniel; Dorian, Paul; Kohsaka, Shun; Hohnloser, Stefan H.; Lip, Gregory Y. H. (Journal of Clinical Medicine, 2022)