title: The contribution of adrenergic mechanisms to frequency potentiation and to paired stimulation in guinea pig isolated atrial tissue.
mesh_terms: D000818:Animals; D004558:Electric Stimulation; D006168:Guinea Pigs; D006321:Heart / Q000294:innervation*; D006325:Heart Atria / Q000187:drug effects; D007545:Isoproterenol / Q000494:pharmacology*; D009638:Norepinephrine / Q000494:pharmacology*; D012110:Reserpine / Q000494:pharmacology; D013564:Sympathetic Nervous System / Q000502:physiology*; D009435:Synaptic Transmission / Q000187:drug effects
chemical_list: D012110:Reserpine; D007545:Isoproterenol; D009638:Norepinephrine