TY  - RPRT
TI  - Helium-oxygen mixtures during bronchoscopy.
AU  - S K Pingleton
AU  - R C Bone
AU  - W C Ruth
PY  - 1980
DO  - 10.1097/00003246-198001000-00010
UR  - https://pubmed.ncbi.nlm.nih.gov/7349948/
ID  - 7349948
ER  -