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Steady state prostate mass as a function of serum testosterone for different levels of Rt. Note that below Rt = 25 nM mass quickly decreases for all serum T, while there is a reasonable stable region between 25 and 45 nM, after which mass increases roughly linearly with Rt before leveling off. For higher values of Rt than those displayed, increases in serum T can cause a reduction in prostate mass (see Figure 9).
