RT Journal Article SR Electronic T1 A case of asymptomatic high-grade aortic coarctation JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 82 OP 82 DO 10.1136/hrt.2006.108787 VO 94 IS 1 A1 F Barili A1 P Biglioli A1 G Polvani YR 2008 UL http://heart.bmj.com/content/94/1/82.abstract AB