Tonic pain time-dependently affects β-endorphin-like immunoreactivity in the ventral periaqueductal gray matter of the rat brain

Carlo Adolfo Porro, Fabio Facchinetti, Paola Da Pozzo, Carlo Benassi, Giampaolo Biral, A. R. Genazzani

Neuroscience Letters · 1988 · 23 citations · 22 references

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