00586naa#a2200181#i#4500001002100000005001700021011001400038100004100052101000800093102000700101200015600108210005100264215001000315608002700325700001700352700002000369856001500389EN\INFRA-M\bibl\553920241018115036.5##a2075-4094##a20150706b2015####ek#y0engy0150####ca0#aRUS##aRU1#aDifferential diagnosis of organic and functional pathologies  of the gastrointestinal tract by using a non-invasive marker of activityeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2015##a0 с.##aJournal article2local#1aNikitingA. #1aMatyukhingA.  4#anaukaru.ru