Restless Legs Syndrome and Leg Cramps in Fibromyalgia Syndrome:A Controlled StudyBMJ 312:1339, Yunus,M.B.&Aldag,J.C., 1996
Fibromyalgia Syndrome, An Emerging but Controversial ConditionJAMA 257:2782-2787, 2802-28031987., Goldenberg,D.L., 1987