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Kroman N, Jensen MB, Wohlfahrt J, Ejlertsen B; Danish Breast Cancer Cooperative Group.Kroman N, et al. Among authors: ejlertsen b.Acta Oncol. 2008;47(4):545-9. doi: 10.1080/02841860801935491.Acta Oncol. 2008.PMID: 18465320