00645naa#a2200193#i#450# EN\\bibl\3289 /en/manage/index 20250815055537.5 2073-0462 20141010b2014####ek#y0engy0150####ca RUS RU Impact of various doses and compounds of selenium on efficiency and its concentration in blood and bodies of bull-calves on sagination Journal article Kazan Kazan state agrarian University 2014 3 с. Journal article local Bikchantaev Irek Sharafutdinov Gazimzyan fht.editorum.ru /en/manage/index