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Bertelli, G., E. Hall, E. Ireland, C. F. Snowdon, J. Jassem, K. Drosik, H. Karnicka-Mlodkowska, R. C. Coombes, and J. M. Bliss. Long-term Endometrial Effects in Postmenopausal Women With Early Breast Cancer Participating in the Intergroup Exemestane Study (IES)—a Randomised Controlled Trial of Exemestane Versus Continued Tamoxifen After 2–3 Years Tamoxifen. Oxford University Press, 2010.

Bertelli, G., et al. Long-term Endometrial Effects in Postmenopausal Women With Early Breast Cancer Participating in the Intergroup Exemestane Study (IES)—a Randomised Controlled Trial of Exemestane Versus Continued Tamoxifen After 2–3 Years Tamoxifen. Oxford University Press, 2010.