Table 1.
Search strategy used in PubMed database.
| Number | Search terms |
| 1 | gouty arthritis |
| 2 | gout |
| 3 | arthrolithiasis |
| 4 | Bi zheng |
| 5 | Bai hu li feng jie |
| 6 | Li jie bing |
| 7 | 1 or 2–6 |
| 8 | Pharmacopuncture |
| 9 | acupuncture |
| 10 | 8 or 9 |
| 11 | Simiao powder |
| 12 | Simiao tang |
| 13 | Simiao pill |
| 14 | 11or 12–13 |
| 15 | Randomized Controlled Trials |
| 16 | Randomized Controlled Trial |
| 17 | RCT |
| 18 | controll clinical trial |
| 19 | Trials |
| 20 | Clinical Trials, Randomized |
| 21 | Trials, Randomized Clinical |
| 22 | Controlled Clinical Trials, Randomized |
| 23 | 15 or 16–22 |
| 24 | 7 and 10 and 14 and 23 |