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Neurons of the subthalamic nucleus play a key role in the normal physiology and the pathophysiology of the basal ganglia. In order to understand better how the activity of subthalamic neurons and hence the output of the basal ganglia are controlled, we have reexamined the topography and examined in detail the synaptology and neurochemical nature of the two(More)
In order to determine whether the cholinergic fibres that innervate the substantia nigra make synaptic contact with dopaminergic neurons of the substantia nigra pars compacta, a double immunocytochemical study was carried out in the rat and ferret. Sections of perfusion-fixed mesencephalon were incubated first to reveal choline acetyltransferase(More)
Mathematica Policy Research ii ABSTRACT This study examines the characteristics of workers' compensation claims, case management indicators, and work outcomes using administrative data on the cases reported under the Federal Employees' Compensation Act (FECA) from 2005 to 2010. Findings from the research suggest three areas that might help inform the(More)
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