@misc{indiciae3ef08338d048, title = {COPD-whose burden, how large, and what to do about it?}, author = {Frederic R Curtiss}, doi = {10.18553/jmcp.2005.11.1.90}, url = {https://pubmed.ncbi.nlm.nih.gov/15667237/}, note = {Source identifier: 15667237} }