Table 1 Databases and search terms
Database | Search terms | Filters applied |
|---|---|---|
PubMed (Medline) | “Pain Clinics/classification”[Majr] OR “Pain Clinics/standards”[Majr]) OR (“Pain Clinics/statistics and numerical data”[Majr] OR “Pain Clinics/trends”[Majr]) | “Humans” and “Full-text” filters applied |
Google Scholar | “pain clinics” OR “pain treatment” facility | |
PsychINFO | (“pain treatment” OR “pain clinic”) AND facility | “Humans” and “English” filters applied. |
SCOPUS | Citation chains for: (1) Loeser, et al. [16] (2) Wells & Miles [61] |