Table 7.

Search strategy in the Wanfang database.

Item	Index terms
#1	Subject: (“acupuncture” or “scalp acupuncture” or “electroacupuncture”) and Subject: (“Mild cognitive impairment” or “Mild cognitive decline” or “dementia” or “forgetfulness” or “Amnesia” or “Memory in decline” or “Memory loss”) and Subject: (“System evaluation” or “Meta analysis” or “System review”)