R.G. Suleymanova1, U.A. Magomedova2, M.O. Muslimov3, J.K. Nurmagomedova4

1–4 Dagestan State Medical University (Makhachkala, Dagestan, Russia)

1 r.g@mail.ru, 2 m.umijat@yandex.ru, 3 dgma_55@mail.ru, 4 nurmagomedova.dzhamilya@mail.ru