[D-Pen2,D-Pen5]enkephalin (DPDPE): a delta-selective enkephalin with low affinity for mu 1 opiate binding sites.

@article{Clark1986DPen2DPen5enkephalinA,
  title={[D-Pen2,D-Pen5]enkephalin (DPDPE): a delta-selective enkephalin with low affinity for mu 1 opiate binding sites.},
  author={Jennifer A. Clark and Yossef Itzhak and Victor J. Hruby and Henry I. Yamamura and Gavril W Pasternak},
  journal={European journal of pharmacology},
  year={1986},
  volume={128 3},
  pages={303-4}
}