Figure 1.

Frequency of cognitive impairment according to age and study group. FMS = Fibromyalgia Syndrome; NeP = Neurophatic Pain; MP = Mixed Pain. Bars are mean percentage with upper limit 95% CI.

Rodríguez-Andreu et al. BMC Musculoskeletal Disorders 2009 10:162   doi:10.1186/1471-2474-10-162
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