Authors: Welch, PJ Afridi, I Joglar, JA Sheehan, CJ Zagrodzky, JD Abraham, TP Page, RL Hamdan, MH

Citation: Pj. Welch et al., Effect of radiofrequency ablation on atrial mechanical function in patients with atrial flutter, AM J CARD, 84(4), 1999, pp. 420-425

Authors: Hundley, WG Kizilbash, AM Afridi, I Franco, F Peshock, RM Grayburn, PA

Citation: Wg. Hundley et al., Effect of contrast enhancement on transthoracic echocardiographic assessment at left ventricular regional wall motion, AM J CARD, 84(11), 1999, pp. 1365