RT Journal Article SR Electronic T1 Repeated β irradiation for failed intracoronary radiation therapy in patients with in-stent restenosis JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 823 OP 824 DO 10.1136/hrt.2004.044578 VO 91 IS 6 A1 E Eeckhout A1 C Roguelov A1 A Berger A1 X Lyon A1 C Imsand A1 G Girod A1 P Coucke YR 2005 UL http://heart.bmj.com/content/91/6/823.abstract AB