Chemical and pharmacological study of herbal preparations that improve cognitive-mnestic functions / I. V. Shilova, N. I. Suslov, V. I. Otmakhov [et.al.] // Pharmaceutical chemistry journal. 2017. Vol. 50, № 10. P. 654-658. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000577375