it was found that ultrasound with a frequency of 26.6 -- 40.5 khz , intensity of 2 -- 8 wt/cm2 , and fluctuation amplitude of the end of the smooth cylindrical instrument-wave guide of 60 -- 80 mcm caused destruction of the cells of malignant tumors of humans , whatever the histological form .
C1709402
mcm
C0086418
humans