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Effects of potassium citrate (100, 150, 200 and 350 mg/mL) (p < 0.01) (A), T. officinale extract (1, 2, 4 and 8 mg/mL) (B), and taraxasterol (2.5, 5, 7.5 and 12.5 μg/mL) (C) on %inhibition of nucleation of calcium oxalate crystallization in synthetic urine specimen.
