RT Journal Article SR Electronic T1 Long term follow up after deferral of revascularisation in patients with intermediate coronary stenoses and negative dobutamine stress echocardiography JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 645 OP 646 DO 10.1136/heart.88.6.645 VO 88 IS 6 A1 T Giesler A1 S Lamprecht A1 J-U Voigt A1 D Ropers A1 K Pohle A1 J Ludwig A1 F A Flachskampf A1 W G Daniel A1 U Nixdorff YR 2002 UL http://heart.bmj.com/content/88/6/645.abstract AB