TY JOUR TI PATHOGENICITY FACTORS OF OPPORTUNISTIC ENTERIC BACTERIA IN HYDROECOSYSTEMS OF THE VOLGA RIVER DELTA KW enteric bacteria KW pathogenicity KW hydroecosystem KW flora KW water KW fish JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Obukhova, O.. AU Lartseva, L.. AU Lisitskaya, I.. PY 2013 IS 2013 PB Astrakhan State Technical University