TY JOUR TI New Method for Mechanical Work Registration of Isolated Non-Fixed Frog Heart KW frog KW isolated non-fixed heart KW reographic apparatus KW bio-impedance KW adrenalin. JO Journal of New Medical Technologies AU Pravdivtsev, V.. AU Sosin, D.. AU Evseev, A.. PY 2014 IS 21 PB INFRA-M Academic Publishing LLC.