title: Analysis of the peristaltic reflex in vitro: effects of some endogenous transmitters.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D004305:Dose-Response Relationship, Drug; D005769:Gastrointestinal Motility / Q000187:drug effects*; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects*; D066298:In Vitro Techniques; D009130:Muscle, Smooth / Q000187:drug effects; D009638:Norepinephrine / Q000494:pharmacology*; D012018:Reflex / Q000187:drug effects*; D013997:Time Factors
chemical_list: D000109:Acetylcholine; D009638:Norepinephrine