title: Effect of thyroxine on nervous system in controlling chicken heart rate.
mesh_terms: D000818:Animals; D002645:Chickens; D002940:Circadian Rhythm; D006339:Heart Rate / Q000187:drug effects*; D011817:Rabbits; D013686:Telemetry; D013972:Thyrotropin / Q000494:pharmacology; D013974:Thyroxine / Q000494:pharmacology*; D013997:Time Factors; D014628:Vagotomy; D014630:Vagus Nerve / Q000502:physiology*
chemical_list: D013972:Thyrotropin; D013974:Thyroxine