Table 1.
Search strategy for literature on CHM in headaches with blood stasis syndrome.
| Search Strategy | Keywords Content |
|---|---|
| A.Search strategy to locate “headache” | 1 headache |
| 2 headache disorders | |
| 3 primary headache | |
| 4 migraine | |
| 5 tension-type headache | |
| 6 trigeminal autonomic cephalalgias | |
| 7 cephalalgias | |
| B.Search strategy to locate “blood stasis” | 8 blood stasis |
| 9 stasis of blood |
* This search strategy was used in all databases.