@article{articled5c0dea0, title = {Design, synthesis, and biological activities of a potent and selective 'ALFA' - melanotropin antagonist}, author = {Al-Obeidi, F and Hruby, V J and Hadley, M E and Sawyer, T K and Castrucci, Ana Maria de Lauro}, year = {1990}, journal = {International Journal of Peptide and Protein Research} }