John F. Vassilopoulos

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Pyrophosphate-99m Tc injected intravenously is almost invariably fixed in the infarcted zone in transmural infarctions less than 8 days old. Fixation occurs in only 2/3 of cases of rudimentary infarction. The degree of fixation is more or less proportional to the size of the peak of creatine phosphokinase. After the 8th day following infarction, fixation is(More)
The Coulomb Energy network offers a unique perspective towards nonlinear transformations. However, its training as it was originally proposed by C. Scofield [1] presented difficulties that prevented its general use. We have investigated this model and we present here the reasons for its shortcomings. Further we propose refinements to the model and its(More)
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