@misc{indiciae4d9f49218580, title = {Closed anesthesia with nitrous oxide.}, author = {S Li and Z Wang and B Zeng and J Liu}, year = {1996}, doi = {10.1007/bf02887973}, url = {https://pubmed.ncbi.nlm.nih.gov/9275707/}, note = {Source identifier: 9275707} }