Rate-tension staircase in rabbit ventricular muscle: relation to ionic exchange.
D000818:Animals; D001692:Biological Transport; D002118:Calcium / Q000378:metabolism*; D002127:Calcium Isotopes; D002463:Cell Membrane Permeability; D005260:Female; D006321:Heart / Q000502:physiology*; D066298:In Vitro Techniques; D008297:Male; D010210:Papillary Muscles / Q000187:drug effects / Q000502:physiology; D011188:Potassium / Q000494:pharmacology*; D011817:Rabbits; D011874:Radiometry; D012964:Sodium / Q000378:metabolism*; D012975:Sodium Isotopes; D013696:Temperature
D002127:Calcium Isotopes; D012975:Sodium Isotopes; D012964:Sodium; D011188:Potassium; D002118:Calcium