SH.M. ISMAGILOV1, M.N. GILYALOV2, L.I. SALIMOV1, R.M. NURSAITOVA1  1Kazan State Medical University, Kazan 2Republic Clinical Hospital of the Ministry of Health of the Republic of Tatarstan, Kazan Contact details: Ismagilov Sh.M. — Assistant Professor of the ENT Department Address: 49 Butlerov St., Kazan, 420012, Russian Federation, tel.: +7 (843) 236-06-52, e-mail: ism_sh63@mail.ru Perforation of the […]