P021 A pragmatic randomised, multicentre trial evaluating the dose timing (morning vs evening) of endocrine therapy for early breast cancer (REaCT-CHRONO Study) oleh M.-F. Savard, M. Ibrahim, G.R. Pond, D. Saunders, L. Vandermeer, L.J. Fallowfield, T.L. Ng, A.A. Awan, S. Sehdev, A.A. Beltran-Bless, M. Clemons