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Fig. 2. Effect of a high salt load, with and without supplemental potassium citrate, on 24-hr urine calcium excretion in postmenopausal women. The low salt regimen provided 87 mmol (5 g) salt/d and the high salt, 225 mmol (13.2 g)/d. The potassium supplement provided 90 mmol (29.2 g) potassium citrate/d. N = 26 for each of the treatment groups. The rise in urine calcium on the high salt regimen was highly statistically significant (P < 0.005). Plotted from the data of Sellmeyer et al. [39]. (Copyright Robert P. Heaney, 2003. Used with permission.)
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