title: [Comparison of the effects of DL-tetrahydropalmatine with verapamil on the left auricle of the guinea pig].
mesh_terms: D000470:Alkaloids / Q000494:pharmacology*; D000818:Animals; D000889:Anti-Arrhythmia Agents / Q000494:pharmacology*; D001600:Berberine Alkaloids / Q000494:pharmacology*; D002121:Calcium Channel Blockers / Q000494:pharmacology; D003864:Depression, Chemical; D004305:Dose-Response Relationship, Drug; D006168:Guinea Pigs; D006325:Heart Atria / Q000187:drug effects; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects*; D014700:Verapamil / Q000494:pharmacology*
chemical_list: D000470:Alkaloids; D000889:Anti-Arrhythmia Agents; D001600:Berberine Alkaloids; D002121:Calcium Channel Blockers; C014215:tetrahydropalmatine; D014700:Verapamil