@misc{indiciaef3a3f6e31512, title = {Closed system anaesthesia.}, author = {T J Hughes}, year = {1980}, doi = {10.1111/j.1365-2044.1980.tb03865.x}, url = {https://pubmed.ncbi.nlm.nih.gov/7435927/}, note = {Source identifier: 7435927} }