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On cohort effects in studies on oral contraceptive use and breast cancer.
Autores principales: | , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group
1986
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2001451/ https://www.ncbi.nlm.nih.gov/pubmed/3707848 |