Orellana-Barrios, M., and M. Ansari. “Left Atrial Appendage Closure for Stroke Risk Reduction in Patients With Non-Valvular Atrial Fibrillation and High Bleeding risk–The Watchman Device”. The Southwest Respiratory and Critical Care Chronicles, Vol. 8, no. 33, Feb. 2020, pp. 35-39, doi:10.12746/swrccc.v8i33.631.