Reproductive factors and risk of ovarian
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Gunnar KvΓ₯le; Ivar Heuch; Steinar Nilssen; Valerie Beral
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Article
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1988
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John Wiley and Sons
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French
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Associations between reproductive factors and risk of ovarian cancer were examined in a prospective study of 60,565 women in Norway. A total of 445 women were diagnosed as having ovarian cancer during follow-up, from 1961 through 1980. The highest risk was observed among nulliparous women, and the r