Search strategy in PubMed
| Order | Search items |
| #1 | MeSH terms: “Neuralgia, Postherpetic” |
| #2 | Title/abstract: “postherpetic neuralgia” OR “post-herpetic neuralgia” OR “PHN” OR “herpes zoster” OR “shingles” |
| #3 | #1 OR #2 |
| #4 | MeSH terms: “Acupuncture Therapy” OR “Acupuncture” OR “Cupping Therapy” OR “Bloodletting” |
| #5 | Title/abstract: “acupuncture” OR “electroacupuncture” OR “moxibustion” OR “moxa” OR “cupping” OR “bloodletting” OR “blood-letting” OR “pricking blood” OR “pyonex” OR “acupressure” OR “needle” OR “needles” OR “needling” OR “acupoint” OR “acupoints” OR “meridian” OR “meridians” |
| #6 | #4 OR #5 |
| #7 | Publication type: “Randomized Controlled Trial” |
| #8 | MeSH terms: “Randomized Controlled Trials as Topic” |
| #9 | Title/abstract: “randomized” OR “randomly” OR “RCT” OR “trial” |
| #10 | #7 OR #8 OR #9 |
| #11 | #3 AND #6 AND #10 |
MeSH, Medical Subject Headings.