Journal of the American College of Nutrition -- Rafferty et al. 24 (2): 99 Figure 1

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Fig. 1. The residuals from a linear regression model of urine Ca on diet Ca and Estat, plotted against diet K. The line represents the least squares fit, plus and minus its 95% confidence interval. r² = 0.0114 (P < 0.005). (Copyright, 2004, Robert P. Heaney. Used with permission.)