Ellen Salud

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Neuropathologic examination of the brain of a 67-year-old woman with a 5-month history of progressive multiple neurologic deficits showed granulomatous angiitis of the small parenchymal and leptomeningeal blood vessels of the brain and spinal cord. Electron microscopy of formalin-fixed brain disclosed intranuclear viruslike particles resembling herpesvirus.(More)
Visual detection of aircraft by human observers is an important element of aviation safety. To assess and ensure safety, it would be useful to be able to be able to predict the visibility, to a human observer, of an aircraft of specified size, shape, distance, and coloration. Examples include assuring safe separation among aircraft and between aircraft and(More)
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