objective: renal colic is a common cause of emergency room visits. due to the spontaneous passage of more than 90% of kidney stones, treatment in the emergency department (ed) is limited to pain control. analgesics currently used are selected based on physician experiences and various theories from different sources. the aim of this study was to compare the common drugs (pethidine and diclofena...

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Cohen, A. S., 1989. Facies relationships and sedimentation in large rift lakes and implications for hydrocarbon exploration: examples from lakes Turkana and Tanganyika. Palaeogeogr., Palaeoclimatol., Palaeoecol., 70: 65-80. Two African lakes, Turkana and Tanganyika, illustrate a spectrum of sediments and facies architectures which can occur in large rift lacustrine basins. They demonstrate cont...

We have developed a new method for transforming images with per-pixel displacements into textures that have correct parallax when texture-mapped, in the usual way, onto polygons. Our new method results from factoring the 3-D image-warping equations of McMillan and Bishop into a prewarp followed by standard texture mapping. The pre-warp handles only the parallax effects resulting from the direct...