%0 Journal Article %T Urotensin-II Ligands: An Overview from Peptide to Nonpeptide Structures %A Francesco Merlino %A Salvatore Di Maro %A Ali Munaim Yousif %A Michele Caraglia %J Journal of Amino Acids %D 2013 %I %R 10.1155/2013/979016 %U http://dx.doi.org/10.1155/2013/979016