@misc{indiciaeda215a22770d, title = {Chronic bronchitis? Pulmonary emphysema?}, author = {M M ZISKIND and H WEILL and W J O'SHAUGHNESSEY}, year = {1961}, doi = {10.1001/archinte.1961.03620090007002}, url = {https://pubmed.ncbi.nlm.nih.gov/13788646/}, note = {Source identifier: 13788646} }