00623naa#a2200217#i#450# EN\\bibl\79615 20260220175301.5 1819-4036 20170225b2017####ek#y0engy0150####ca RUS RU CONTAMINATION OF WILD WATERFOWL IN OMSK REGION WITH HELMINTHES Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2017 4 с. Journal article local . 619:616. 99 RUS Penkina O L Ushakova E L Ivanyushina A M Chebotareva T Yu vestnik.kgau.ru