@misc{indiciae3f94684629db, title = {Decrease in delta and mu opioid receptor binding capacity in rat brain after chronic etorphine treatment.}, author = {P L Tao and P Y Law and H H Loh}, year = {1987}, url = {https://pubmed.ncbi.nlm.nih.gov/3031275/}, note = {Source identifier: 3031275} }