@article {4640, title = {Chronic pain and health services utilization: Is there overuse of diagnostic tests and inequalities in nonpharmacologic treatment methods utilization?}, journal = {Medical Care}, volume = {51}, year = {2013}, note = {Cited By (since 1996):1Export Date: 8 April 2014Source: Scopus}, month = {2013}, pages = {859 - 869}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84884816265\&partnerID=40\&md5=c48efd525bc025f5717cbc7a8d7ba3bf}, author = {Azevedo, L. F. and Costa-Pereira, A. and Mendon{\c c}a, L. and Dias, C. C. and Castro-Lopes, J.M.} }