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(A) Left ventricular chamber radioactivity. (B) Liver radioactivity. (C) Interventricular septal myocardial radioactivity. (D) Ratio of myocardium/liver radioactivity. (E) Ratio of myocardium/left ventricular chamber radioactivity. Red, PD+OH; pink, PD-No-OH; blue, MSA; green, PAF; gray, normal control subjects.
