Fig. 3From: Effect of acupuncture on episodic memory for amnesia-type mild cognitive impairment: study protocol of a multicenter, randomized, controlled trialDiagram of the streitberger sham acupuncture. 1. Needle handle. 2. Needle. 3. The blunt tip of the placebo needle. 4. Plastic cover. 5. SkinBack to article page