This article is maintained by: Elsevier
Article Title: Use and dependence on opioid drugs in the Spanish population with chronic pain: Prevalence and differences according to sex
Journal Title: Revista Clínica Española (English Edition)
CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.rceng.2017.03.005
CrossRef DOI link to the associated document: https://doi.org/10.1016/j.rce.2017.03.007
Content Type: article
Copyright: © 2017 Elsevier España, S.L.U. and Sociedad Española de Medicina Interna (SEMI). All rights reserved.