Oral contraceptive use before first birth and risk of breast cancer: a case control study
<p>Abstract</p> <p>Background</p> <p>The aim of this study was first, to investigate whether women starting oral contraceptive (OC) use at a young age and before first birth have an increased risk for breast cancer and second, to report difficulties encountered in study...
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| Main Authors: | , , , , |
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| Format: | Book |
| Published: |
BMC,
2002-08-01T00:00:00Z.
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| Online Access: | Connect to this object online. |
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