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Figure 1 31P-spatial localization with optimum pointspread function spectra obtained from left ventricular myocardium. (a) Healthy volunteer; (b) hypertensive heart disease; (c) aortic valve disease; (d) dilated cardiomyopathy. Concentrations for phosphocreatine (PCr) and adenosintriphosphate (ATP) and PCr/ATP ratios were as follows: (a) 9.4, 5.7, 1.65; (b) 9.5, 6.0, 1.58; (c) 5.9, 4.5, 1.31; (d) 2.8, 2.6, 1.08.
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