The hepatic vagal reception of intraportal GLP-1 is via receptor different from the pancreatic GLP-1 receptor. - Nishizawa,M.; Nakabayashi,H.; Kawai,K.; Ito,T.; Kawakami,S.; Nakagawa,A.; Niijima,A.; Uchida,K. (J Auton Nerv Syst, 2000)