No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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1,2-Dimethylhydrazine
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Administration, Oral
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Animals
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Carcinogens*
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Colonic Neoplasms / chemically induced*
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Dimethylhydrazines / toxicity*
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Drug Interactions
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Endoscopy
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Male
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Methylhydrazines / toxicity*
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Methylnitrosourea / toxicity*
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Neoplasms, Experimental / chemically induced
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Nitrosourea Compounds / toxicity*
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Rats
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Rats, Inbred F344
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Time Factors
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Vitamin A / analogs & derivatives*
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Vitamin A / toxicity
Substances
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Carcinogens
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Dimethylhydrazines
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Methylhydrazines
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Nitrosourea Compounds
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Vitamin A
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Methylnitrosourea
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1,2-Dimethylhydrazine