00542naa#a2200181#i#450# EN\INFRA-M\bibl\5068 20240702115128.2 1609-2163 20150211b2015####ek#y0engy0150####ca RUS RU The Clinical Manifestations of Chronic Diseases of the Digestive System in Children Journal article Moscow INFRA-M Academic Publishing LLC. 2015 4 с. Journal article local Sapozhnikov Vladimir Vorobeva A. zh-szf.ru