TY  - RPRT
TI  - Long-term oxygen therapy.
AU  - R H Groves
AU  - W C Bailey
AU  - S E Buchalter
PY  - 1991
DO  - 10.1378/chest.100.2.544
UR  - https://pubmed.ncbi.nlm.nih.gov/1864134/
ID  - 1864134
ER  -