E A, Griffith C, Boeddinghaus I, Salter J, Detre S, Hills M, Ashley S, et al: Biomarker changes during neoadjuvant anastrozole, tamoxifen, or the combination: influence of hormonal status and HER-2 in breast cancer study from the IMPACT trialists. J Clin Oncol 2005, 23(11):2477?492.26. Urbaniak GC, Plous S: Research randomizer. 3rd edition. 2011. 27. Joo YK, Logullo AF, Mattar A, Nonogaki S, Soar