@article {6800, title = {The economic impact of chronic pain: a nationwide population-based cost-of-illness study in Portugal}, journal = {European Journal of Health Economics}, volume = {17}, year = {2016}, note = {Cited By :8Export Date: 19 March 2018}, month = {2016}, pages = {87 - 98}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84953839952\&doi=10.1007\%2fs10198-014-0659-4\&partnerID=40\&md5=7e1d4bd28d070ca14a3b72119cd5a8b9}, author = {Azevedo, L.F. and Costa-Pereira, A. and Mendon{\c c}a, L. and Dias, C.C. and Castro-Lopes, J.M.} }