Table 1.
Search strategy for the PubMed.
| NO. | Search terms |
| #1 | Erosive oral lichen planus |
| #2 | Traditional Chinese Medicine |
| #3 | Chung I Hsueh |
| #4 | Hsueh, Chung I |
| #5 | Traditional Medicine, Chinese |
| #6 | Zhong Yi Xue |
| #7 | Chinese Traditional Medicine |
| #8 | Chinese Medicine, Traditional |
| #9 | Traditional Tongue∗ |
| #10 | Tongue Diagnoses, Traditional |
| #11 | Tongue Assessment, Traditional |
| #12 | #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 |
| #13 | Randomized controlled trial |
| #14 | Controlled clinical trial |
| #15 | randomized |
| #16 | randomly |
| #17 | trials |
| #18 | RCT |
| #19 | #13 OR #14 OR #15 OR #16 OR #17 OR #18 |
| #20 | #1 AND #12 AND #19 |