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The top 10 keywords with the highest frequency and centrality.
| Ranking | Frequencies | Keyword | Centrality | Keyword |
|---|---|---|---|---|
| 1 | 256 | Electroacupuncture | 0.3 | Brain |
| 2 | 249 | Stroke | 0.19 | Cerebral ischemia |
| 3 | 232 | Acupuncture | 0.18 | Stroke |
| 4 | 80 | Expression | 0.17 | Electroacupuncture |
| 5 | 76 | Stimulation | 0.16 | Acupuncture |
| 6 | 75 | Brain | 0.13 | Activation |
| 7 | 68 | Recovery | 0.12 | Artery occlusion |
| 8 | 66 | Rehabilitation | 0.12 | Stimulation |
| 9 | 65 | Activation | 0.11 | Expression |
| 10 | 64 | Artery occlusion | 0.1 | Recovery |
