Comparative effectiveness and costs of generic and brand-name gabapentin and venlafaxine in patients with neuropathic pain or generalized anxiety disorder in Spain
Antoni Sicras-Mainar,1 Javier Rejas-Gutiérrez,2 Ruth Navarro-Artieda3 1Planning Directorate, Badalona Serveis Assistencials SA, Badalona, Barcelona, Spain; 2Department of Health Economics and Outcomes Research, copyright SLU, Alcobendas, Madrid, Spain; 3Medical Documentation, Hospital Germans Trias i Pujol, Badalona, Barcelona, All in One Sh