Ultrasonic effects on mammalian multicellular tumor spheroids.


Mammalian multicellular tumor spheroids (MTS), grown in liquid culture medium, 0.23 to 0.32 mm in diameter and consisting of 4,500 to 12,100 cells, were exposed to three ultrasonic machines: a clinical diagnostic device with an emitted intensity of 13 mW/cm2, a therapeutic machine with emitted intensities of 1 to 3.5 W/cm2, and a laboratory emitting 12 to… (More)


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