Figure 4 | Scientific Reports

Figure 4

From: Scanning electron microscopy examination of needle tips after different procedures of deep dry needling in humans

Figure 4

Scanning electronic microscopy images of acupuncture and dry needles after 1 and 5 skin entries. (a) Type A1A, Type A2A, Type A3A, Type A4A: Acupuncture needles after 1 skin entry (magnification 2000x); Type B1A, Type B2A, Type B3A, Type B4A: Dry needles after 1 skin entry (magnification 2000x). (b) Type A1B, Type A2B, Type A3B, Type A4B: Acupuncture needles after 5 skin entries (magnification 2000x); Type B1B, Type B2B, Type B3B, Type B4B: Dry needles after 5 skin entries (magnification 2000x).

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