00504naa#a2200181#i#450# EN\INFRA-M\bibl\11155 20260403012404.5 2075-4094 20160519b2016####ek#y0engy0150####ca RUS RU Modern sedation aspects at endoscopic examination Journal article Moscow INFRA-M Academic Publishing LLC. 2016 0 с. Journal article local Kireev V. Kitiashvili D. naukaru.ru