Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleSynthesis and evaluation of derivatives of leucine enkephalin as potential affinity labels for δ opioid receptors.AuthorsChoi, Heekyung; Murray, Thomas F.; Aldrich, Jane V.PublicationBiopolymers, 2003, Vol 71, Issue 5, p552ISSN0006-3525Publication typeArticleDOI10.1002/bip.10533