%0 Journal Article %J Medical Care %D 2013 %T Chronic pain and health services utilization: Is there overuse of diagnostic tests and inequalities in nonpharmacologic treatment methods utilization? %A Azevedo, L. F. %A Costa-Pereira, A. %A Mendonça, L. %A Dias, C. C. %A Castro-Lopes, J.M. %B Medical Care %V 51 %P 859 - 869 %8 2013 %G eng %U http://www.scopus.com/inward/record.url?eid=2-s2.0-84884816265&partnerID=40&md5=c48efd525bc025f5717cbc7a8d7ba3bf %N 10