Validation Study of Kim's Sham Needle by Measuring Facial Temperature: An N-of-1 Randomized Double-Blind Placebo-Controlled Clinical Trial

<table>Difference between real needle and sham needle stimulation. While real needle tip is inserted into the epidermis invasively, sham needle tip simply presses the skin surface noninvasively.</table>

Evidence-Based Complementary and Alternative Medicine

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Figure 3

Figure 3: Validation Study of Kim's Sham Needle by Measuring Facial Temperature: An N-of-1 Randomized Double-Blind Placebo-Controlled Clinical Trial 