@misc{indiciae2453402e5cb3, title = {Positive-pressure breathing vs. incentive spirometry.}, author = {S S Moorthy and A M LoSasso and V Vix}, year = {1985}, doi = {10.1097/00003246-198505000-00021}, url = {https://pubmed.ncbi.nlm.nih.gov/3886294/}, note = {Source identifier: 3886294} }