PT - JOURNAL ARTICLE AU - Y Ahn AU - J G Cho TI - Pacemaker syndrome AID - 10.1136/heart.90.1.58 DP - 2004 Jan 01 TA - Heart PG - 58--58 VI - 90 IP - 1 4099 - http://heart.bmj.com/content/90/1/58.short 4100 - http://heart.bmj.com/content/90/1/58.full SO - Heart2004 Jan 01; 90