TY  - RPRT
TI  - A new portable oxygen system using liquid oxygen.
AU  - C M Ramage
AU  - S S Kee
AU  - A Bristow
PY  - 1991
DO  - 10.1111/j.1365-2044.1991.tb09555.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2035791/
ID  - 2035791
ER  -