4. 小児における上室性頻脈:房室回帰性頻拍(WPW症候群)および房室結節回帰性頻拍 supraventricular tachycardia in children av reentrant tachycardia including wpw and av nodal reentrant tachycardia
5. QRS幅の狭い頻脈の臨床症状、診断、および評価 clinical manifestations diagnosis and evaluation of narrow qrs complex tachycardias