TY JOUR TI STRUCTURAL PECULIARITIES OF THE ATRIA AND VENTRICLES OF BEIJING DUCK HEART KW heart KW Beijingduck KW atria KW ventricles KW pectinate muscles KW trabeculae JO Bulletin of KSAU AU Tsuskman, I.G. AU Fomenko, L.V. PY 2015 IS PB Krasnoyarsk State Agrarian University