Comparison between noninvasive indices of baroreceptor sensitivity and the phenylephrine method in post–myocardial infarction patients - Pitzalis, M V; Mastropasqua, F; Passantino, A; Massari, F; Ligurgo, L; Forleo, C; Balducci, C; Lombardi, F; Rizzon, P (Circulation, 1998)