@article{{MRA}{}, author = {de Faria, J.}, title = { Opium and Opioid Receptors: From the Ancient Times to a Possible Novel Therapeutic Target for Diabetic Retinopathy}, journal = {Medical Research Archives}, volume = {11}, number = {8}, year = {2023}, doi = {10.18103/mra.v11i8.4272}, url = {https://esmed.org/MRA/mra/article/view/4272} }