Evidence-Based Complementary and Alternative Medicine / 2013 / Article / Fig 4

Research Article

Effectiveness of Interstitial Laser Acupuncture Depends upon Dosage: Experimental Results from Electrocardiographic and Electrocorticographic Recordings

Figure 4

Changes in total heart rate variability (HRV total) before, during, and after the three stimulation procedures. a.u. (norm): normative arbitrary units. For further explanation, compare with Figure 3.
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