@misc{indiciaefe8c4ed03b0f, title = {Long-term oxygen therapy in COPD.}, author = {H W Farber}, year = {1986}, doi = {10.1164/arrd.1986.133.1.173}, url = {https://pubmed.ncbi.nlm.nih.gov/3942372/}, note = {Source identifier: 3942372} }