PT - JOURNAL ARTICLE AU - C Lilje AU - F Weiss AU - J Weil TI - Non-invasive follow up of an atrial septal defect device occlusion AID - 10.1136/hrt.2004.041665 DP - 2005 Apr 01 TA - Heart PG - 464--464 VI - 91 IP - 4 4099 - http://heart.bmj.com/content/91/4/464.short 4100 - http://heart.bmj.com/content/91/4/464.full SO - Heart2005 Apr 01; 91