TY  - RPRT
TI  - Letter: Simple oxygen-failure safety device.
AU  - H T Davenport
AU  - B M Wright
PY  - 1974
DO  - 10.1136/bmj.4.5941.407-a
UR  - https://pubmed.ncbi.nlm.nih.gov/4529648/
ID  - 4529648
ER  -