To the 100th anniversary of the discovery of the two-neuron pathway of the parasympathetic nerves of the heart

100 years ago (1894), an article by V.V. Nikolaev appeared in the journal Neurological Bulletin under the modest title: About the end of n. vagi in the heart." The author performed his research in the physiological laboratory of Kazan University, led by Professor N.A. Mislavsky.