@misc{indiciae9f9bf3f2e66c, title = {Preoxygenation: best method for both efficacy and efficiency.}, author = {J L Benumof}, year = {1999}, doi = {10.1097/00000542-199909000-00006}, url = {https://pubmed.ncbi.nlm.nih.gov/10485765/}, note = {Source identifier: 10485765} }