1. Effects of enkephalins and morphine on spontaneous electrical activity and on junction potentials elicited by parasympathetic nerve stimulation in cat and rabbit colon;Blanguet;Br. J. Pharmac.,1982
2. A possible serotonergic mechanism involved in the effects of morphine on colonic motility in dogs;Bueno;J. Pharmac.,1982
3. Comparative effects of morphine and nalorphine on colonic motility in the conscious dog;Bueno;J. Pharmac.,1981
4. Mediation by 5-hydroxytryptamine of morphine stimulant actions in dog intestine;Burks;J. Pharmac.,1973
5. Nevronal peptides in the intestine;Costa;Med. Bull.,1982