Assessment of myocardial viability with contrast-enhanced magnetic resonance imaging: comparison with positron emission tomography - Klein, C; Nekolla, SG; Bengel, FM; Momose, M; Sammer, A; Haas, F; Schnackenburg, B; Delius, W; Mudra, H; Wolfram, D; Schwaiger, M (Circulation, 2002)