N.А. TSIBULKIN1, G.V. TUKHVATULLINA2, V.N. TSIBULKINA3,4, А.I. АBDRAKHMANOVA1 1Kazan State Medical Academy, 36 Butlerov Str., Kazan, Russian Federation, 420012 2Occupational health facility of the Ministry of Internal Affairs of the Russian Federation of the Republic of Tatarstan, Clinical hospital, 132 Orenburgskiy Trakt, Kazan, Russian Federation, 420064 3Kazan State Medical University, 49 Butlerov Str., Kazan, Russian […]