PubMed · 2007 · 132 citations · 37 references
Concentrations of several circulatory pain biomarkers were altered after OMT. The degree and duration of these changes were greater in subjects with chronic LBP than in control subjects without the disorder.
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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