Oral contraceptives and risk of breast c
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Charlotte Paul; D. C. G. Skegg; G. F. S. Spears
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Article
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1990
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John Wiley and Sons
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French
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A national population-based case-control study was conducted in New Zealand to assess the effects of hormonal contraception on breast-cancer risk. A total of 891 Women aged 25 to 54 with a first diagnosis of breast cancer, and 1864 control subjects, randomly selected from the electoral rolls, were i