Pain Physician · 2017 · 32 citations · 18 references
Spinal cord stimulation, chronic pain, retrospective study, low frequency electrical stimulation, efficacy, chronic pain therapy.
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The measurement of clinical pain intensity: a comparison of six methods
Mark P. Jensen, Paul Karoly, Sanford Braver · Pain · 1986 · 3.2K citations
Clinical Significance of Reported Changes in Pain Severity☆☆☆★
Knox H. Todd, Kathleen G Funk, Joseph P Funk et al. · Annals of Emergency Medicine · 1996 · 1.1K citations