@article{zych_yang_liao_griffin_wang_2004, title={The  effect of substitution patterns on the release rates of opioid peptides DADLE and [Leu(5)]-enkephalin from coumarin prodrug moieties}, volume={32}, DOI={10.1016/j.bioorg.2003.12.002}, number={2}, journal={Bioorganic Chemistry}, author={Zych, L. A. and Yang, W. Q. and Liao, Y. and Griffin, K. R. and Wang, B. H.}, year={2004}, pages={109–123} }