title: Topical differences of caffeine action on the smooth muscle cells of the guinea pig alimentary canal.
mesh_terms: D000255:Adenosine Triphosphate / Q000494:pharmacology; D000818:Animals; D002110:Caffeine / Q000494:pharmacology*; D004064:Digestive System / Q000187:drug effects*; D005260:Female; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D007583:Jejunum / Q000187:drug effects; D008297:Male; D008564:Membrane Potentials / Q000187:drug effects; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects*; D011188:Potassium / Q000494:pharmacology; D012007:Rectum / Q000187:drug effects; D013270:Stomach / Q000187:drug effects; D013806:Theophylline / Q000494:pharmacology
chemical_list: D002110:Caffeine; D000255:Adenosine Triphosphate; D013806:Theophylline; D011188:Potassium