No abstract available
MeSH terms
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Aged
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Animals
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Breast Neoplasms / chemically induced*
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Contraindications
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Estrogen Replacement Therapy*
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Estrogens / adverse effects
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Female
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Humans
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Middle Aged
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Myocardial Ischemia / prevention & control*
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Osteoporosis / prevention & control*
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Progestins / adverse effects
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Risk