Figure 8-3 Pharmacogenetics of nortriptyline. Mean plasma concentrations of nortriptyline after a single 25-mg oral dose are shown in subjects with 0, 1, 2, 3, or 13 functional CYP2D6 genes. (Adapted from Weinshilboum R: Inheritance and drug response. N Engl J Med 348:529–537, 2003.)


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