No abstract available
MeSH terms
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Animals
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Anticarcinogenic Agents / pharmacology*
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Carcinogens
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Estradiol / pharmacology
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Female
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Mammary Neoplasms, Experimental / chemically induced
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Mammary Neoplasms, Experimental / pathology
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Mammary Neoplasms, Experimental / prevention & control*
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Methylnitrosourea
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Ovariectomy
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Rats
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Rats, Sprague-Dawley
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Tamoxifen / pharmacology
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Tretinoin / pharmacology*
Substances
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Anticarcinogenic Agents
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Carcinogens
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Tamoxifen
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Estradiol
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Tretinoin
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Methylnitrosourea