No abstract available
MeSH terms
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Adult
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Aged
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Aged, 80 and over
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Breast Neoplasms / chemistry*
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Breast Neoplasms / metabolism
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Female
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Humans
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Mexico
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Middle Aged
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Receptor, ErbB-2 / analysis*
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Receptor, ErbB-2 / biosynthesis
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Receptors, Estrogen / analysis*
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Receptors, Estrogen / biosynthesis
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Receptors, Progesterone / analysis*
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Receptors, Progesterone / biosynthesis
Substances
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Receptors, Estrogen
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Receptors, Progesterone
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ERBB2 protein, human
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Receptor, ErbB-2