@misc{indiciae63818f7c725b, title = {[Endogenous anti-analgesic systems].}, author = {A Bertolini and R Poggioli and M Bernardi and S Genedani and S Guarini and C Bazzani and R Arletti and A Benelli and E Bertolini and A Balugani}, year = {1994}, url = {https://pubmed.ncbi.nlm.nih.gov/7813164/}, note = {Source identifier: 7813164} }