TY  - RPRT
TI  - Oxygen conserving methods for adults.
AU  - A F Barker
AU  - L W Burgher
AU  - A L Plummer
PY  - 1994
DO  - 10.1378/chest.105.1.248
UR  - https://pubmed.ncbi.nlm.nih.gov/8275741/
ID  - 8275741
ER  -