1. Four basic characteristics of the gastrin cholecystokinin system;Rehfeld;Am J Physiol,1981
2. Distinct cholecystokinin receptors in brain and pancreas;Innis,1980
3. Pharmacologic identification, activation and antagonism of two muscarine receptor subtypes in the lower esophageal sphincter;Gilbert;J Pharmacol Exp Ther,1984
4. Neurohumoral, hormonal and drug receptors for the lower esophageal sphincter;Goyal;Gastroenterology,1978
5. Identification and localization of opioid receptors in the opossum lower esophageal sphincter;Rattan;J Pharmacol Exp Ther,1983