@misc{indiciae2cea33adc980, title = {Chronic opiate agonists down-regulate prodynorphin gene expression in rat brain.}, author = {P Romualdi and G Lesa and S Ferri}, year = {1991}, doi = {10.1016/0006-8993(91)91525-6}, url = {https://pubmed.ncbi.nlm.nih.gov/1786525/}, note = {Source identifier: 1786525} }