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Koopal C, Janssen-Heijnen ML, van de Wouw AJ, van den Bergh JP.Koopal C, et al.Breast. 2015 Apr;24(2):153-8. doi: 10.1016/j.breast.2014.12.008. Epub 2015 Jan 22.Breast. 2015.PMID: 25618224