Figure 8From: Calcium-deficiency assessment and biomarker identification by an integrated urinary metabonomics analysis Correlation between calcium intake and two biomarkers. (A, B) The human study enrolled 70 women, and analzed the correclation between the log (lg) dietary calcium intakes and (A) urine pseudouridine (r = 0.53, P = 0.0001) or (B) citrate (r = -0.43, P = 0.001).Back to article page