Petrova Mariya, Grigorova Olga, Penev Latchezar, Traykov Latchezar
University Hospital "Alexandrovska", Department of Neurology, Sofia, Bulgaria.
University Hospital "Alexandrovska", Department of Neurology, Sofia, Bulgaria.
J Neurol Sci. 2014 Sep 15;344(1-2):243-4. doi: 10.1016/j.jns.2014.06.055. Epub 2014 Jul 2.