No abstract available
Publication types
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Comparative Study
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Research Support, U.S. Gov't, Non-P.H.S.
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Animals
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Brain Chemistry*
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Cattle
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Endorphins / analysis*
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Enkephalins / analysis*
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Radioimmunoassay / methods*
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Radioligand Assay / methods*
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Rats