Abstract
Regulatory role of enteric mu and kappa opioid receptors in the release of acetylcholine and norepinephrine from guinea pig ileum.
S Nakayama, K Taniyama, S Matsuyama, N Ohgushi, K Tsunekawa and C Tanaka
Journal of Pharmacology and Experimental Therapeutics September 1990, 254 (3) 792-798;