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Prognostic associations of 25 hydroxy vitamin D in NCIC CTG MA.21, a phase III adjuvant randomized clinical trial of three chemotherapy regimens in high-risk breast cancer

Breast OncologyOncologyHigh-risk Breast CancerHydroxy Vitamin DPharmacologyNcic Ctg Ma.21Breast CancerCancer TreatmentMedicineCancer Research