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  • Title: Mineral composition of 103 stones from Iran.
    Author: Miñón Cifuentes J, Pourmand G.
    Journal: Br J Urol; 1983 Oct; 55(5):465-8. PubMed ID: 6626889.
    Abstract:
    The mineral composition of 103 stones from Iran was determined by a polarisation microscope and infrared spectroscopy. The commonest components were whewellite (81.5%), weddellite (40.7%), apatite (69%) and ammonium acid urate (24.4%). Ectopic cossification in the nuclei was found in three renal calculi (2.9%). Twenty-five stones were from children, where one of the most frequent patterns was formed by both ammonium acid urate and calcium oxalate. This suggests that a high proportion of the children from Iran with urolithiasis have nutritional disorders.
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