Closure of Patent Foramen Ovale versus Medical Therapy after Cryptogenic StrokeNEJM 368:1092-1100,1152, Carroll, J.D.,et al, 2013
Percutaneous Closure of Patent Foramen Ovale in Cryptogenic EmbolismNEJM 368:1083-1091,1152, Meier, B.,et al, 2013