00586naa#a2200205#i#450# EN\\bibl\77676 20260220010259.5 1819-4036 20130725b2013####ek#y0engy0150####ca RUS RU THE ECOLOGICAL TOXICANT CONTENT IN THE TYUMEN REGION POULTRY PRODUCTS Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2013 4 с. Journal article local . 540:631.4 RUS Gaevaya E V Zakharova E V Skipin L N sej.kgau.ru