RT Journal Article SR Electronic T1 Fibromyalgia, co-morbid psychiatric disorder and gender. A study based on General Health Questionnaire (GHQ-12) and (GHQ-30) JF Neurosciences Journal JO Neurosciences (Riyadh) FD Prince Sultan Military Medical City SP 289 OP 291 VO 15 IS 4 A1 Marwan S. Al-Nimer A1 Riyadh A. Sakeni A1 Abdul-Kareem J. Al-Sheikhli YR 2010 UL http://nsj.org.sa/content/15/4/289.abstract AB