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The next article can further the reader 's understanding of teacher stress because it points out some specific facts about teacher burnout which are not popularly known. Some of the causes of teacher stress are highlighted along with some general strategies for reducing stress.

In this study 6 commercially produced kinetic modeling packages utilizing a variable volume, single pool urea model, as well as formulae to determine the delivery of therapy, have been compared by applying to each the same set of rigorously collected data for a group of 12 patients. Comparison of the kinetically derived parameters (urea generation rate [GI, urea distribution volume [ V ] , delivery of therapy [KtIV], and normalized protein catabolic rate [nPCR]) showed that the values obtained for both G and V differed between packages owing to the numerical methods and the clearance used in the solution of the differential equations. Although a broad agreement between the values established for KtIV and nPCR was noted, the 95% limits of agreement indicated that it would be prudent to exercise caution when comparing results established by different modeling packages.

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