Titlebook: Mathematical Methods in Tomography; Proceedings of a Con Gabor T. Herman,Alfred K. Louis,Frank Natterer Conference proceedings 1991 Springe

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Evaluation of reconstruction algorithms,wo other PET-related figures of merit. In particular, we find that, in spite of the very noisy appearance of the reconstructed images, the maximum likelihood method outperforms the others from the point of view of estimating average activity in individual neurological structures of interest.

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Conference proceedings 1991aphy, and biomagnetic ima-ging. The mathematical models, their theoretical aspects andthe development of algorithms were treated. The proceedingscontains surveys on reconstruction in inverse obstaclescat-tering, inversion in 3D, and constrained least squares pro-blems.Research papers include besides

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0075-8434 ion tomography, and biomagnetic ima-ging. The mathematical models, their theoretical aspects andthe development of algorithms were treated. The proceedingscontains surveys on reconstruction in inverse obstaclescat-tering, inversion in 3D, and constrained least squares pro-blems.Research papers inclu

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W. R. Madychones and neurotransmitters that regulate the heart and vascular system have been shown to produce their effects by the activation of such proteins (1). Acetylcholine released by post¬ganglionic parasympathetic (vagal) neurons and norepinephrine released at postganglionic sympathetic neurons are the

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R. G. Mukhometovlactate to fulfil their energy requirements. Contraction and relaxation of the myofibrils consume over 70 of ATP produced by mitochondrial activity, the remaining part is used for transport of ions across membranes, and maintenance of cellular integrity. The plasmalemma, the membrane enclosing the c