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Archives internationales de pharmacodynamie et de therapie • 1982 | View Paper
“The pressor response evoked by 3.3 nmol CCh could be attenuated by prazosin (an alpha 1-adrenoceptor blocker) or yohimbine (an alpha 2-adrenoceptor blocker) and completely blocked by the combination of prazosin and yohimbine.”
The American journal of physiology • 1991 | View Paper
“Down-regulation of muscarinic cholinergic receptors by carbachol and of alpha 2-adrenergic receptors by epinephrine was not due to the effect of retained agonist and was agonist specific, since it could be prevented by the antagonists atropine and yohimbine , respectively.”
“In addition, the alpha-adrenoceptor antagonists phentolamine, phenoxybenzamine, and yohimbine not only fail to enhance the secretion of catecholamines evoked by carbachol but also fail to offset the inhibitory action of clonidine.”