title: [Contractile response of frog sinoatrial myocardium: influence of the amplitude and time of transmembrane depolarization].
mesh_terms: D000818:Animals; D001001:Anura; D002118:Calcium / Q000494:pharmacology; D004558:Electric Stimulation; D006321:Heart / Q000502:physiology*; D007474:Ion Exchange; D008564:Membrane Potentials; D009119:Muscle Contraction / Q000187:drug effects; D012849:Sinoatrial Node / Q000187:drug effects / Q000502:physiology*
chemical_list: D002118:Calcium
vernacular_title: La réponse contractile du myocarde sino-auriculaire de grenouille: influence de l'amplitude et de la durée de la dépolarisation transmembranaire.