We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSynthesis and activity of the melanocortin Xaa-d-Phe-Arg-Trp-NH tetrapeptides with amide bond modifications.AuthorsTodorovic A; Holder JR; Scott JW; Haskell-Luevano CPublicationThe journal of peptide research : official journal of the American Peptide Society, 2004, Vol 63, Issue 3, p270ISSN1397-002xPublication typearticleDOI10.1111/j.1399-3011.2004.00137.x