@misc{indiciae2b48c2ba5e60, title = {Enkephalin-binding systems in human plasma.}, author = {R Possenti and V De Marco and O Cherubini and L G Roda}, year = {1983}, doi = {10.1007/bf00965099}, url = {https://pubmed.ncbi.nlm.nih.gov/6888646/}, note = {Source identifier: 6888646} }