Drug action on the isolated oesophagus of guinea pigs.
D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D004837:Epinephrine / Q000494:pharmacology*; D004947:Esophagus / Q000187:drug effects*; D006168:Guinea Pigs; D006632:Histamine / Q000494:pharmacology*; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D009119:Muscle Contraction; D012701:Serotonin / Q000494:pharmacology*
D012701:Serotonin; D006632:Histamine; D000109:Acetylcholine; D004837:Epinephrine