Lancet
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Review Meta Analysis Comparative Study
Selective oestrogen receptor modulators in prevention of breast cancer: an updated meta-analysis of individual participant data.
Tamoxifen and raloxifene reduce the risk of breast cancer in women at elevated risk of disease, but the duration of the effect is unknown. We assessed the effectiveness of selective oestrogen receptor modulators (SERMs) on breast cancer incidence. ⋯ Cancer Research UK.