00591naa#a2200205#i#450# EN\\bibl\77676 20250330084347.7 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 kgau.editorum.ru