Validation of the Fibromyalgia Survey Questionnaire within a Cross-Sectional Survey Häuser, Winfried ; Jung, Eva ; Erbslöh-Möller, Brigitte ; Gesmann, Mechthild ; Kühn-Becker, Hedi ; Petermann, Franz ; Langhorst, Jost ; Weiss, Thomas ; Winkelmann, Andreas ; Wolfe, Frederick Abstract Publication: PLoS ONE Pub Date: May 2012 DOI: 10.1371/journal.pone.0037504 Bibcode: 2012PLoSO...737504H