TY JOUR TI THE INFLUENCE OF THE ASPEN BIOLOGICALLY ACTIVE SUBSTANCE CONCENTRATE ON THE PHYSIOLOGICAL CONDITION AND LIVE WEIGHT OF LABORATORY WHITE MICE KW aspen biologically active substance concentrate KW laboratory white mice KW live weight JO Bulletin of KSAU AU Tabakov, N.A. AU Kozina, E.A. PY 2013 IS PB Krasnoyarsk State Agrarian University