TY  - RPRT
TI  - Saturation during upper GI endoscopy.
AU  - N G Lavies
PY  - 2001
DO  - 10.1046/j.1365-2044.2001.01870-2.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11167483/
ID  - 11167483
ER  -