@article{articlefb9d768f,
title   = {Structure-activity relationships of [Nle4, D-Phe7]-MSH: discovery of a tripeptidyl agonist exhibiting sustained bioactivity},
author = {Sawyer, Tomi K and Castrucci, Ana Maria de Lauro and Staples, Douglas J and Affholter, Joseph A and De Vaux, Anne E. and Hruby, Victor J and Hadley, Mac E},
year = {1993},
journal   = {Annals of the New York Academy of Sciences}
}