| http://www.w3.org/ns/prov#value | - In recent years the clinical use of non-invasive PRF at radio frequencies has consisted of the use of pulse bursts, such pulses having a sinusoidal or other form, and at a frequency of 27.12 MHz, each such pulse burst typically exhibiting a width of sixty-five microseconds and containing a range of 1,100 to 10,000 pulses per burst, and with a pulse burst repetition rate in the range of 0.01 to 1,0
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