Abstract
Inhibition by opioid agonists and enhancement by antagonists of the release of catecholamines from the dog adrenal gland in response to splanchnic nerve stimulation: evidence for the functional role of opioid receptors.
T Kimura, M Katoh and S Satoh
Journal of Pharmacology and Experimental Therapeutics March 1988, 244 (3) 1098-1102;