@misc{indiciaeaf9eb5f4b02c, title = {Early emphysema. Ten years' evolution.}, author = {M Demedts and J Aumann}, year = {1988}, doi = {10.1378/chest.94.2.337}, url = {https://pubmed.ncbi.nlm.nih.gov/3396413/}, note = {Source identifier: 3396413} }