title: Effect of clonidine on responses to cardiac nerve stimulation as a function of impulse frequency and stimulus duration in vagotomized dogs.
mesh_terms: D000818:Animals; D003000:Clonidine / Q000494:pharmacology*; D004285:Dogs; D004305:Dose-Response Relationship, Drug; D004558:Electric Stimulation; D005260:Female; D006145:Guanethidine / Q000494:pharmacology; D006321:Heart / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D008297:Male; D010646:Phentolamine / Q000494:pharmacology; D014628:Vagotomy; D014630:Vagus Nerve / Q000502:physiology*
chemical_list: D003000:Clonidine; D010646:Phentolamine; D006145:Guanethidine