FIELD: medicine. SUBSTANCE: method involves measuring impedance of skin surface as electric variable voltage frequency function by applying voltage to one or several electric conductors linked to skin surface in galvanic or capacitance method and by varying frequency. The result is compare to reference characteristic built in advance. Essentially coinciding characteristic curve of this characteristic being found, decision is taken that the skin surface is living organism tissue. EFFECT: high accuracy of the method. 4 cl, 1 dwg
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