Tkachenko, Halyna, Grudniewska, Joanna, AND Pękala, Agnieszka. " EFFECTS OF ORAL VACCINATION AGAINST YERSINIA RUCKERI ON OXIDATIVE STRESS BIOMARKERS IN GILLS, LIVER AND HEART OF RAINBOW TROUT (ONCORHYNCHUS MYKISS WALBAUM)" Baltic Coastal Zone [Online], Volume 21(1 December 2017)