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Inhibitory effect of morphine on yawning induced by cholinoceptor and dopamine D2 receptor activation in rats.

1. Bromocriptine (2, 4 and 8 mg kg-1, i.p.), physostigmine (0.05, 0.1 and 0.2 mg kg-1, i.p.) and pilocarpine (1, 3 and 5 mg kg-1, i.p.) induced dose-dependent yawning in rats. 2. These responses were reduced in a dose-dependent manner by pretreatment with morphine. 3. The inhibitory effect of morphi...

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Bibliografiske detaljer
Main Authors: Zarrindast, M. R., Jamshidzadeh, A.
Format: Artigo
Sprog:Inglês
Udgivet: 1992
Fag:
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC1908467/
https://ncbi.nlm.nih.gov/pubmed/1385751
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