Meta Analysis

Diagnostic value of transthoracic echocardiography for patent foramen ovale: a meta-analysis.

Ultrasound Med Biol. 2013 Oct 1;39(10):1743-50.
Review

Echocardiographic evaluation of patent foramen ovale prior to device closure.

JACC Cardiovasc Imaging. 2010 Jul 1;3(7):749-60.
Observational Study

Patent foramen ovale and stroke in intermediate-risk pulmonary embolism.

Chest. 2014 Oct 1;146(4):967-73.