@misc{indiciaea9eb69fac58f, title = {Periaqueductal gray matter involvement in the muscimol-induced decrease of morphine antinociception.}, author = {F Zambotti and N Zonta and M Parenti and R Tommasi and L Vicentini and F Conci and P Mantegazza}, year = {1982}, doi = {10.1007/bf00501180}, url = {https://pubmed.ncbi.nlm.nih.gov/7078669/}, note = {Source identifier: 7078669} }