Journal of the Medical Association of Thailand Vol 83, No 11:NOVEMBER 2000 (SUPPL. 2) 0125-2208 83 11 2000 Feb Radiofrequency Catheter Ablation: 5 Years Experience at Siriraj Hospital 28 EN Ongkarn Raungratanaamporn Kiertijai Bhuripanyo Cham Sriratanastavorn Rungroj Kriuayaphong Jarupim Soongswang Suphachai Chaithiraphan Original Article