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Recent work has veriied that the second-formant frequency (F2) and its change in the vowel immediately preceding a stop consonant are usually suucient to discriminate between labial, palatal, and alveolar stops, even in the absence of the stop burst information. Informal listening tests using truncated samples indicate that humans can discriminate the three(More)
There is both clinical and histopathologic evidence for peripheral visual field loss and optic nerve degeneration in longstanding papilledema due to idiopathic intracranial hypertension (IIH). The purpose of this study was to look at the extent and distribution of axonal dropout in secondary optic atrophy due to IIH. Both optic nerves from a 29-year-old man(More)
Quantitation of HIV-RNA is critically important for diagnosis, prognosis, treatment, monitoring and assessment of infectivity in HIV-1 infection. The objective of this study was to assess performance characteristics of the Aptima HIV-1 Quant Dx assay (Aptima), a new transcription mediated amplification (TMA), fully integrated and automated assay from(More)
In order to further study AIDS (acquired immunodeficiency syndrome) related neuropathologic findings, specifically progressive diffuse leuko-encephalopathy (PDL) and optic neuropathy, ten macaque monkeys (Macaca mulatta) were infected with simian immunodeficiency virus (SIV), observed for varying periods, and then sacrificed and tissue prepared for(More)
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