00516naa#a2200169#i#450# EN\INFRA-M\bibl\1434 20260101152300.4 1609-2163 20131220b2013####ek#y0engy0150####ca RUS RU The Types of the Colon Revealed by Hydrocolonic Echography at Chronic Constipation in Children Journal article Moscow INFRA-M Academic Publishing LLC. 2013 6 с. Journal article local Yanitskaya M. zh-szf.ru