| http://www.w3.org/ns/prov#value | - In some examples, stimulation generator 114 may generate rounded square waveform 210 shown in FIG. 13C by passing a square wave signal or a substantially square wave signal through a resistor-capacitor (RC) low pass filter with a cutoff frequency in a range of about 20 Hz to about 100 Hz, such as about 60 Hz.
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