Reginald Clarke

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BACKGROUND Previous in vitro experiments performed in our laboratory have shown that low-level laser energy may produce prompt reduction in isometric tension of vascular smooth muscle. The present study was designed to extend these previous in vitro findings to an in vivo model and thereby investigate the hypothesis that laser light delivered percutaneously(More)
Recent studies have shown that continuous wave laser irradiation induces contraction of vascular smooth muscle, except at powers far below the threshold for tissue ablation. To determine the corresponding effects of pulsed laser irradiation on vascular smooth muscle tone, vascular rings of rabbit thoracic aorta were mounted isometrically with 1 g tension in(More)
The present series of experiments used gas chromatography to identify vapor-phase photoproducts liberated during excimer laser irradiation of cardiovascular tissues in air and blood. In air, laser beams produced from ArF (193 nm) and XeF (351 nm) excimer laser gas mixtures were delivered to samples of myocardium and atherosclerotic coronary arterial(More)
A nine-level hemispheric primitive-equation model is applied to make a 14-day experimental prediction for the Southern Hemisphere; this is the first numerical prediction on the hemispheric scale for the Southern Hemisphere and the first attempt to use the model for summertime forecasting. The predictions are verified against hemispheric data, the inadequacy(More)
A stereotactic apparatus is described permitting production of exactly placed subcortical lesions in the human brain with minimal impairment of other areas. The use of intracerebral reference points and application in psychosurgery are reported. Further indications (intractable pain, involuntary movements, subcortical tumors) are envisaged. [The SCI ®(More)
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