00588naa#a2200193#i#450# EN\\bibl\112789 20260118200840.7 2311-1402 20170325b2017####ek#y0engy0150####ca RUS RU COMPARATIVE ANALYSIS OF HELMINTHS INVASION OF RANA ARVALIS NILS., 1842 OF THE MIDDLE OB Journal article Nizhnevartovsk Nizhnevartovsk State University 2017 5 с. Journal article local . 597.851: 591.69 RUS Ibragimova D V Nakonechny N V vestnik.nvsu.ru