@misc{indiciae0c3f7e65d29e, title = {The relationship between tracheobronchial collapse and pulmonary function in chronic obstructive pulmonary disease.}, author = {I A Samad and D E Sanders and J T Suero and C R Woolf}, year = {1968}, doi = {10.1378/chest.53.4.407}, url = {https://pubmed.ncbi.nlm.nih.gov/5652476/}, note = {Source identifier: 5652476} }