Safety and efficacy of device closure for patent foramen ovale for secondary prevention of neurological events: Comprehensive systematic review and meta-analysis of randomized controlled trials.
Hakeem A, Marmagkiolis K, Hacioglu Y, Uretsky BF, Gundogdu B, Leesar M, Bailey SR, Cilingiroglu M. Safety and efficacy of device closure for patent foramen ovale for secondary prevention of neurological events: Comprehensive systematic review and meta-analysis of randomized controlled trials. Cardiovasc Revasc Med. 2013 Nov-Dec; 14(6):349-55.