00542naa#a2200169#i#450# EN\\bibl\6328 20240517153551.5 1995-042X 20150722b2015####ek#y0engy0150####ca RUS RU Improvement of financial security of health system of the Russian Federation in modern conditions Journal article CHERKIZOVO Russian State University of Tourism and Service 2015 0 с. Journal article local Makhnova Natalya rguts.editorum.ru