No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Animals
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Endorphins / biosynthesis*
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Endorphins / genetics
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Male
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Nicotine / pharmacology*
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RNA, Messenger / drug effects
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Rats
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Rats, Inbred Strains
Substances
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Endorphins
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RNA, Messenger
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Nicotine