@misc{indiciaeb5640e7071d1, title = {Chronic obstructive pulmonary disease--can we do better?}, author = {T L Petty}, year = {1990}, doi = {10.1378/chest.97.2.2s}, url = {https://pubmed.ncbi.nlm.nih.gov/2404709/}, note = {Source identifier: 2404709} }