A single-gene biomarker identifies breast cancers associated with immature cell type and short duration of prior breastfeeding

W. F. Symmans, D. J. Fiterman, S. K. Anderson, M. Ayers, R. Rouzier, V. Dunmire, J. Stec, V. Valero, N. Sneige, C. Albarracin, Y. Wu, J. S. Ross, P. Wagner, R. L. Theriault, B. Arun, H. Kuerei, K. R. Hess, W. Zhang, G. N. Hortobagyi, L. Pusztai