Cronin-Fenton, D. P.; Hellberg, Y.; Lauridsen, K. L.; Ahern, T. P.; Peter Garne, J.; Rosenberg, C.; Silliman, R. A.; Toft Sørensen, H.; Lash, T. L.; Hamilton-Dutoit, S. Factors Associated With Concordant Estrogen Receptor Expression at Diagnosis and Centralized Re-Assay in a Danish Population-Based Breast Cancer Study. AO 2012, 51, 254-261.