the effects of infusions for approximately 1 wk of the synthetic cooh-terminal octapeptide of cholecystokinin ( cck-8 ) and its derivatives , pyroglutamyl-cck-8 ( pglu-cck-8 ) and glutaryl-cck-8 ( glt-cck-8 ) , into the suprachiasmatic nucleus ( scn ) of the hypothalamus of male wistar rats on their feeding behavior under 12:12 light-dark cycle were examined .
C0037167
octapeptide
C0008328
cck-8