@misc{indiciae6c54551cf9df, title = {[Cardiopulmonary function disorders in collagenoses].}, author = {Y Bilgin and W Doppl and K Helmke and H G Velcovsky and K Federlin}, year = {1988}, url = {https://pubmed.ncbi.nlm.nih.gov/3174573/}, note = {Source identifier: 3174573} }