1. Systematic review of percutaneous closure versus medical therapy in patients with cryptogenic stroke and patent foramen ovale. Issue 3 (7th March 2014) Authors: Spencer, Frederick A; Lopes, Luciane C; Kennedy, Sean A; Guyatt, Gordon Journal: BMJ open Issue: Volume 4:Issue 3(2014) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗