title: Effect of manganese ions on the contraction and automaticity of the blood-perfused canine papillary muscle.
mesh_terms: D000818:Animals; D002110:Caffeine / Q000494:pharmacology; D002118:Calcium / Q000494:pharmacology; D003864:Depression, Chemical; D004285:Dogs; D004305:Dose-Response Relationship, Drug; D004558:Electric Stimulation; D005260:Female; D006321:Heart / Q000187:drug effects; D066298:In Vitro Techniques; D008297:Male; D008345:Manganese / Q000494:pharmacology*; D009638:Norepinephrine / Q000494:pharmacology; D010210:Papillary Muscles / Q000187:drug effects*; D010477:Perfusion
chemical_list: D002110:Caffeine; D008345:Manganese; D002118:Calcium; D009638:Norepinephrine