RT Journal Article SR Electronic T1 Long-term results after PFO closure JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 100 OP 100 DO 10.1136/hrt.2007.134759 VO 94 IS 1 A1 Shishehbor, M H A1 Christofferson, R D A1 Tuzcu, E M A1 Kapadia, S R YR 2008 UL http://heart.bmj.com/content/94/1/100.1.abstract AB