| Item | Index terms |
| #1 | Acupuncture [Ti, Ab, Kw] | #2 | Scalp acupuncture [Ti, Ab, Kw] | #3 | Electroacupuncture [Ti, Ab, Kw] | #4 | #1 OR #2 OR #3 | #5 | Mild cognitive impairment [Ti, Ab, Kw] | #6 | Benign seneslent forgetfulness [Ti, Ab, Kw] | #7 | Age-related cognitive decline [Ti, Ab, Kw] | #8 | Cognitive impairment-no dementia [Ti, Ab, Kw] | #9 | Mild cognitive decline [Ti, Ab, Kw] | #10 | Age-associated memory impairment [Ti, Ab, Kw] | #11 | Forgetfulness [Ti, Ab, Kw] | #12 | Hypomnesia [Ti, Ab, Kw] | #13 | Memory decline [Ti, Ab, Kw] | #14 | #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13 | #15 | System evaluation [Ti, Ab, Kw] | #16 | System review [Ti, Ab, Kw] | #17 | Meta analysis [Ti, Ab, Kw] | #18 | #15 OR #16 OR #17 | #19 | #4 AND #14 AND #18 |
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