No abstract available
MeSH terms
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Bias
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Breast Neoplasms / chemically induced
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Breast Neoplasms / epidemiology*
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Case-Control Studies
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Cohort Studies
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Estrogen Replacement Therapy / adverse effects
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Female
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Hormone Replacement Therapy / adverse effects*
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Hormone Replacement Therapy / methods
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Humans
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Incidence
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Patient Selection
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Research Design / standards
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Risk Factors