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Riaz M, Berns EM, Sieuwerts AM, Ruigrok-Ritstier K, de Weerd V, Groenewoud A, Uitterlinden AG, Look MP, Klijn JG, Sleijfer S, Foekens JA, Martens JW.Riaz M, et al. Among authors: berns em.Breast Cancer Res Treat. 2012 Jun;133(3):843-51. doi: 10.1007/s10549-011-1663-3. Epub 2011 Jul 12.Breast Cancer Res Treat. 2012.PMID: 21748294
Berns EM, Klijn JG, van Putten WL, van Staveren IL, Portengen H, Foekens JA.Berns EM, et al.Cancer Res. 1992 Mar 1;52(5):1107-13.Cancer Res. 1992.PMID: 1737370