title: [The chronotropic effect and activity of intracardiac nerves following degeneration of the extracardiac tracts].
mesh_terms: D000818:Animals; D001001:Anura; D006321:Heart / Q000294:innervation*; D006339:Heart Rate; D011896:Rana temporaria; D013997:Time Factors; D014630:Vagus Nerve / Q000502:physiology*
vernacular_title: Khronotropnyĭ éffekt i aktivnost' vnutriserdechnykh nervov pri degeneratsii ékstrakardial'nykh puteĭ.