TY  - RPRT
TI  - Long-term oxygen therapy in COPD.
AU  - L J Findley
AU  - D M Whelan
AU  - K M Moser
PY  - 1983
DO  - 10.1378/chest.83.4.671
UR  - https://pubmed.ncbi.nlm.nih.gov/6403304/
ID  - 6403304
ER  -