Table 1.
Search strategies for the PubMed.
| No | Search items |
| #1 | “Alzheimer Disease”[Mesh] |
| #2 | alzheimer∗[Title/Abstract] |
| #3 | AD[Title/Abstract] |
| #4 | #1 OR #2 OR #3 |
| #5 | Jihwangeumja |
| #6 | ‘Dihuang Yinzi’ |
| #7 | #5 OR #6 |
| #8 | #4 AND #7 |
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