title: A method for injection into the portal or jugular veins of pigs performing operant responses.
mesh_terms: D000818:Animals; D003216:Conditioning, Operant / Q000187:drug effects*; D005247:Feeding Behavior / Q000187:drug effects; D005947:Glucose / Q000008:administration & dosage* / Q000494:pharmacology; D007275:Injections, Intravenous; D007601:Jugular Veins; D008722:Methods; D011169:Portal Vein; D012965:Sodium Chloride / Q000008:administration & dosage* / Q000494:pharmacology; D013552:Swine
chemical_list: D012965:Sodium Chloride; D005947:Glucose