Overall and subgroup findings of the aTTom trial: A randomised comparison of continuing adjuvant tamoxifen to 10 years compared to stopping after 5 years in 6953 women with ER posi... by Rea, D, Gray, R, Bowden, S, Handley, K, Earl, H, Poole, C, Bates, T, Dewar, J, Raytor, Z, Lee, M