00540naa#a2200169#i#450# EN\\bibl\2330 20240518192434.6 1995-042X 20140528b2014####ek#y0engy0150####ca RUS RU State of medical service in Kamchatka as a contributor to the region’s medical tourism development Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 10 с. Journal article local Ulko Elena rguts.editorum.ru