Effects of losartan versus captopril on mortality in patients with symptomatic heart failure: rationale, design, and baseline characteristics of patients in the Losartan Heart Failure Survival Study-ELITE II - Pitt, B; Poole-Wilson, P; Segal, R; Martinez, FA; Dickstein, K; Camm, AJ; Konstam, MA; Riegger, G; Klinger, GH; Neaton, J; Sharma, D; Thiyagarajan, B (J Card Fail, 1999)