Gadaleta Francisco L, Llois Susana C, Lapuente Alberto R, Batchvarov Velislav N, Kaski Juan C
Service of Cardiology, Eva Perón Hospital, Balcarce 900-(1650) San Martín, Buenos Aires, Argentina.
Am J Cardiol. 2003 Jul 15;92(2):203-5. doi: 10.1016/s0002-9149(03)00539-3.