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Oral contraceptive use before first birth and risk of breast cancer: a case control study
BACKGROUND: 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 studying long-term health impacts of medical technologies. M...
Autores principales: | , , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2002
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC122097/ https://www.ncbi.nlm.nih.gov/pubmed/12160467 http://dx.doi.org/10.1186/1472-6874-2-9 |