We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAncient and recent positive selection transformed opioid cis-regulation in humans.AuthorsRockman MV; Hahn MW; Soranzo N; Zimprich F; Goldstein DB; Wray GAPublicationPLoS biology, 2005, Vol 3, Issue 12, pe387ISSN1545-7885Publication typearticleDOI10.1371/journal.pbio.0030387