Abstract
Nascimento, H; Rodrigues, RA; Sousa, C; Silva, JC; Macedo, F; Maciel, MJ
Nascimento, H (reprint author), Ctr Hosp Sao Joao, Serv Cardiol, Alameda Prof Hernani Monteiro, P-4200319 Porto, Portugal.
ACTA CARDIOLOGICA, 0; ():