title: The effect of propranolol and quinidine on  22 Na- and  42 K-exchange in the cat papillary muscle.
mesh_terms: D000818:Animals; D002415:Cats; D004558:Electric Stimulation; D004566:Electrodes; D066298:In Vitro Techniques; D007700:Kinetics; D010210:Papillary Muscles / Q000032:analysis / Q000187:drug effects / Q000378:metabolism*; D010783:Photometry; D011188:Potassium / Q000032:analysis / Q000378:metabolism*; D011194:Potassium Isotopes; D011433:Propranolol / Q000008:administration & dosage / Q000494:pharmacology*; D011802:Quinidine / Q000008:administration & dosage / Q000494:pharmacology*; D012964:Sodium / Q000032:analysis / Q000378:metabolism*; D012975:Sodium Isotopes; D013997:Time Factors; D014867:Water / Q000032:analysis
chemical_list: D011194:Potassium Isotopes; D012975:Sodium Isotopes; D014867:Water; D012964:Sodium; D011433:Propranolol; D011802:Quinidine; D011188:Potassium