@misc{indiciae566e73ed5946, title = {LTOT in COPD.}, author = {L J Restrick and J A Wedzicha}, year = {1994}, doi = {10.1136/thx.49.5.529-a}, url = {https://pubmed.ncbi.nlm.nih.gov/8016784/}, note = {Source identifier: 8016784} }