FIGURE E-3 Calcium retention as a function of intake in adult men from Spencer et al. (1984). The equation which describes the nonlinear regression model of Jackman et al. (1997) and applied as depicted in this figure to the balance study data of Spencer et al. (1984) is Y = −130.73 + 274.93 eL/(1 + eL), where L = −2.75 + 0.0036 (intake).

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