[Relationship between extracardial and intracardial nerve influences on the heart].
D000818:Animals; D001001:Anura; D004558:Electric Stimulation; D006329:Heart Conduction System / Q000502:physiology*
Vzaimodeĭstvie mezhdu vliianiiami na serdtsa ékstrakardial'nykh i vnutriserdechnykh nervnykh puteĭ.