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  Indian J Med Microbiol
 

Figure 2: Output characteristics of a standard TENS device. Circles represent dial controls for pulsed current amplitude (A), frequency (F) and duration (D). Pulsed current patterns are represented by B (burst mode), C (continuous mode) and M (amplitude modulation mode)

Figure 2: Output characteristics of a standard TENS device. Circles represent dial controls for pulsed current amplitude (A), frequency (F) and duration (D). Pulsed current patterns are represented by B (burst mode), C (continuous mode) and M (amplitude modulation mode)