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    • Generalized anxiety disorder, subthreshold anxiety and anxiety symptoms in primary headache 

      Lucchetti, Giancarlo; Peres, Mario F. P.; Lucchetti, Alessandra L. G.; Mercante, Juliane P. P.; Guendler, Vera Z.; Zukerman, Eliova
      2013-01
      Aims The aim of the present study was to evaluate the association between generalized anxiety disorder, subthreshold anxiety (SubAnx) and anxiety symptoms in the prevalence of primary headache. Methods This cross-sectional ...