Combined whole body endurance/inspiratory muscle training versus whole body endurance training only in patients with heart failure - Kouloubinis, A; Laoutaris, ID; Dombroglou, G; Dritsas, A; Plessas, N; Vartela, V; Tsiapras, D; Voudris, V; Cokkinos, D.V.; Adamopoulos, S (EUROPEAN HEART JOURNAL, 2008)