Absolute quantification of high energy phosphate metabolites in normal, hypertrophied and failing human myocardium. by Neubauer, S, Beer, M, Landschütz, W, Sandstede, J, Seyfarth, T, Lipke, C, Köstler, H, Pabst TKenn, W, Meininger, M, von Kienlin, M, Horn, M, Harre, K, Hahn, D