COVER ILLUSTRATION. Cardiac radioactivity after injection of 6 [18F]fluorodopamine in a control subject (top left), a patient with sporadic Parkinson's disease and orthostatic hypotension (top right), a patient with familial Parkinson's disease in the `Contursi kindred' (bottom left) and a patient with familial Parkinson's disease in the `Iowa kindred' (bottom right). From `Association between cardiac denervation and parkinsonism caused by
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