[On the role of sympathetic nerves in the occurrence of changes in cardiac activity associated with the respiratory cycle].
D000818:Animals; D004285:Dogs; D006321:Heart / Q000294:innervation* / Q000502:physiology; D012119:Respiration; D013564:Sympathetic Nervous System / Q000502:physiology*
Rol' simpaticheskikh nervov v vozniknovenii izmeneniĭ sepdechnoĭ deiatel'nosti, sopriazhennykh s tsiklom dykhaniia.