Gianni C, Horton RP, Della Rocca DG, Mohanty S, Al-Ahmad A, Bassiouny MA, Burkhardt JD, Gallinghouse GJ, Hranitzky PM, Sanchez JE, Natale A. Intracardiac echocardiography- versus transesophageal echocardiography-guided left atrial appendage occlusion with Watchman FLX. J Cardiovasc Electrophysiol. 2021 Oct; 32(10):2781-2784.