TY JOUR TI PATHOGYSTOLOGIC RESEARCHES OF CHICKEN HEPATITIS E VIRUS KW chicken KW hepatitis E KW stomach KW spleen JO Bulletin of KSAU AU Lapina, T.I. AU Krasheninnikova, E.N. AU Tokarev, O.I. PY 2018 IS PB Krasnoyarsk State Agrarian University