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Table 1 Databases and search terms

From: Pain clinic definitions in the medical literature and U.S. state laws: an integrative systematic review and comparison

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]