@misc{indiciaeca5297bc3d49, title = {Structure-CNS activity studies with the enkephalins.}, author = {D H Coy and A J Kastin}, year = {1980}, doi = {10.1016/0163-7258(80)90032-7}, url = {https://pubmed.ncbi.nlm.nih.gov/6255497/}, note = {Source identifier: 6255497} }