Peter A Deutsch

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STUDY OBJECTIVES Split-night polysomnography (PSG) and unattended home sleep studies have come into use as less-expensive tests for obstructive sleep apnea syndrome, but their impact on cost-effectiveness of the overall evaluation and treatment is unknown. We compared the cost-effectiveness of evaluations that employ these 2 procedures with a conventional(More)
In this paper, we present a three-level trophic food chain, including intraspecies interaction. In contrast with other analyses, we consider the effect on the third trophic level by the first-level parameters. The model shows complex, as well as, chaotic oscillations. Bifurcation diagrams show period doubling route to chaos and crises. Also from the forward(More)
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