Fox-Threlkeld ea 1994
Fox-Threlkeld J.E., Daniel E.E., Christinck F., Hruby V.J., Cipris S., Woskowska Z. Identification of mechanisms and sites of actions of mu and delta opioid receptor activation in the canine intestine. //J. Pharmacol. Exp. Ther. 1994. Vol. 268. * 2. P. 68
