TEORETICAL ASPECTS OF MODELING TUMORS OF CENTRAL NERVOUS SYSTEM ON ANIMALS. (ТЕОРЕТИЧЕСКИЕ АСПЕКТЫ МОДЕЛИРОВАНИЯ ОПУХОЛЕЙ ЦЕНТРАЛЬНОЙ НЕРВНОЙ СИСТЕМЫ НА ЖИВОТНЫХ) Article Shek D.L, Akhuba L.G. The Seventh European Conference on Biology and Medical Sciences (Vienna, Austria, 5th September 2015). "East West" Association for Advanced Studies and Higher Education. 2015. P. 65-67