Search strategy used in PubMed
| No | Search items |
|---|---|
| 1 | Randomised controlled trial.pt |
| 2 | Controlled clinical trial.pt |
| 3 | Randomised.ti,ab |
| 4 | Randomly.ti,ab |
| 5 | Placebo.ti,ab |
| 6 | Trial.ti,ab |
| 7 | Groups.ti,ab |
| 8 | 1 or 2–7 |
| 9 | Urticaria.Mesh |
| 10 | Chronic urticaria.ti,ab |
| 11 | hives.ti,ab |
| 12 | nettle-rash.ti,ab |
| 13 | Angioedema.ti,ab |
| 14 | Fong-Tzen-Kwai.ti.ab |
| 15 | wind-rash-patch.ti.ab |
| 16 | 9 or 10-15 |
| 17 | Acupuncture therapy. Mesh. |
| 18 | Acupuncture.ti,ab |
| 19 | Acupoints.ti,ab |
| 20 | Acupuncture*.ti,ab |
| 21 | Body acupuncture.ti,ab |
| 22 | Scalp acupuncture.ti,ab |
| 23 | manual acupuncture.ti,ab |
| 24 | Auricular acupuncture.ti,ab |
| 25 | ear acupuncture.ti,ab |
| 26 | Electroacupuncture.ti,ab |
| 27 | Fire needling.ti,ab |
| 28 | dermal needle.ti,ab |
| 29 | plum blossom needle.ti,ab |
| 30 | Pyonex.ti,ab |
| 31 | Abdominal acupuncture.ti,ab |
| 32 | Filiform steel needle.ti,ab |
| 33 | 17 or 18–32 |
| 34 | 8 and 16 and 33 |