1. Mediation by 5-hydroxytryptamine of morphine stimulant actions in dog intestine;Burks;J. Pharmacol. Exp. Ther.,1973
2. Vascularly perfused isolated intestine;Burks,1974
3. 5-Hydroxytryptamine release into dog intestinal vasculature;Burks;Am. J. Physiol.,1965
4. Release of intestinal 5-hydroxytryptamine by morphine and related agents;Burks;J. Pharmacol. Exp. Ther.,1967
5. Responses of isolated dog small intestine to analgesic agents;Burks;J. Pharmacol. Exp. Ther.,1967