title: The interaction between quinidine and propranolol on isolated heart muscle preparations.
mesh_terms: D000818:Animals; D004558:Electric Stimulation; D005260:Female; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D006325:Heart Atria / Q000187:drug effects; D066298:In Vitro Techniques; D008297:Male; D009206:Myocardium / Q000378:metabolism; D011433:Propranolol / Q000037:antagonists & inhibitors / Q000378:metabolism / Q000494:pharmacology*; D011802:Quinidine / Q000378:metabolism / Q000494:pharmacology*; D012032:Refractory Period, Electrophysiological / Q000187:drug effects; D013997:Time Factors
chemical_list: D011433:Propranolol; D011802:Quinidine