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This article describes an updated computer model which attempts to simulate known renal reabsorption and secretion activity through the nephron (NEPHROSIM) and its possible relevance to the initiation of calcium-containing renal stones. The model shows that, under certain conditions of plasma composition, de novo nucleation of both calcium oxalate (CaOx) and calcium phosphate (CaP) can take place...
To compare various systems for assessing the risk of recurrent stones, based on the composition of urine.The relative supersaturation (RSS) of urine, the Tiselius Indices, the Robertson Risk Factor Algorithms (RRFA) and the BONN-Risk Index were compared in terms of the numbers of variables required to be measured, the ease of use of the system and the value of the information obtained.The RSS methods...
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