Role of indole derivative SS-68 in increasing the frequency range of cardiac rhythm control (reflex stimulation of the sinoatrial node) oleh Pavel A. Galenko-Yaroshevsky, Anatoly A. Nechepurenko, Tatiana G. Pokrovskaya, Nikolai L. Shimonovsky, Alexander S. Dukhanin, Konstantin F. Suzdalev, Polina D. Maslova, Natalia M. Makhnova, Vadim V. Shneivais, Valery G. Abushkevich, Anait V. Zelenskaya, Valeria V. Seletskaya, Saida K. Ahedzhak-Naguse, Konstantin G. Korotkov