@misc{indiciae933efd82e701, title = {Small airways in progressive systemic sclerosis (PSS).}, author = {R D Bjerke and D P Tashkin and P J Clements and S K Chopra and H Gong and M Bein}, year = {1979}, doi = {10.1016/0002-9343(79)90528-x}, url = {https://pubmed.ncbi.nlm.nih.gov/425965/}, note = {Source identifier: 425965} }