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Vanachayangkul P, Chow N, Khan SR, Butterweck V. Prevention of renal crystal deposition by an extract of Ammi visnaga L. and its constituents khellin and visnagin in hyperoxaluric rats. Urolithiasis. 2010 Nov 11;39(3):189–95. doi: 10.1007/s00240-010-0333-y. |