Multicenter Study
The American College of Rheumatology preliminary diagnostic criteria for fibromyalgia and measurement of symptom severity.
Arthritis Care Res (Hoboken). 2010 May 1;62(5):600-10.
Review
Chronic widespread pain and fibromyalgia: could there be some relationships with infections and vaccinations?
Clin Exp Rheumatol. 2011 Nov 1;29(6 Suppl 69):S118-26.
Article
Factors that affect the number of tender points in fibromyalgia and chronic widespread pain patients who did not meet the ACR 1990 criteria for fibromyalgia: are tender points a reflection of neuropathic pain?
Semin. Arthritis Rheum. 2006 Oct 1;36(2):130-4.