title: Ionic antagonism and the cholinergic activation induced by polymyxins on the heart.
mesh_terms: D000818:Animals; D001285:Atropine / Q000494:pharmacology*; D001639:Bicarbonates / Q000494:pharmacology*; D001794:Blood Pressure / Q000187:drug effects*; D002122:Calcium Chloride / Q000494:pharmacology*; D004285:Dogs; D004336:Drug Antagonism; D004357:Drug Synergism; D006327:Heart Block / Q000139:chemically induced*; D009566:Nitrates / Q000494:pharmacology*; D010862:Pilocarpine / Q000494:pharmacology*; D011113:Polymyxins / Q000494:pharmacology*
chemical_list: D001639:Bicarbonates; D009566:Nitrates; D011113:Polymyxins; D010862:Pilocarpine; D001285:Atropine; D002122:Calcium Chloride