@misc{indiciae5096fea7300e, title = {False-positive abrupt decrease in EtCO2 during craniotomy in the sitting position.}, author = {E Ornstein}, year = {1985}, doi = {10.1097/00000542-198504000-00035}, url = {https://pubmed.ncbi.nlm.nih.gov/3920937/}, note = {Source identifier: 3920937} }