A case-control study of oral contraceptive use and breast cancer.
Among 989 cases of breast cancer and 9,890 controls selected from a cohort of married, female registered nurses aged 30-55 years, the relative risk (RR) of breast cancer for women who had ever used oral contraceptives (OC) compared with those who had never used them was 1.0, with 95% confidence limi...
| 主要な著者: | , , , , , , , , |
|---|---|
| フォーマット: | Journal article |
| 言語: | English |
| 出版事項: |
1984
|