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. 1976 Dec 2;264(5585):458-9.
doi: 10.1038/264458a0.

Intraventricular Met5-enkephalin causes unexpected lowering of pain threshold and narcotic withdrawal signs in rats

L Leybin, C Pinsky, F S LaBella, V Havlicek, M Rezek

Intraventricular Met5-enkephalin causes unexpected lowering of pain threshold and narcotic withdrawal signs in rats

L Leybin et al. Nature. .
No abstract available

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