V. Smolanka, O. Voznyak, A. Huk, and E. Pedachenko, “V Congress of Neurosurgeons of Ukraine (June 25–28, 2013, Uzhgorod) and Plenum of the Board of the Ukrainian Association of Neurosurgeons (November 29, 2013, Kyiv)”, Ukr Neurosurg J, no. 2, pp. 77–78, Jun. 2014.