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a Kaplan-Meier curve comparing continuation and discontinuation of hormonal therapy among 8,769 patients with stage I–III hormone-receptor-positive breast cancer who initiated treatment, KPNC, 1996-2007. b Kaplan-Meier curve comparing adherence and non-adherence to hormonal therapy among 5,979 patients with stage I–III hormone-receptor-positive breast cancer who continued treatment, KPNC, 1996–2007
