We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAttacking pain at its source: new perspectives on opioids.AuthorsStein C; Schäfer M; Machelska HPublicationNature medicine, 2003, Vol 9, Issue 8, p1003ISSN1078-8956Publication typearticleDOI10.1038/nm908