| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Ingenta plc | https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=136&issue=4&spage=551&aulast=Yan | |
| Collapsed Lung | free resource | MedlinePlus Health Information | https://medlineplus.gov/collapsedlung.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=35226725.ui | |
| free resource | Silverchair Information Systems | https://pubs.asahq.org/anesthesiology/article-lookup/doi/10.1097/ALN.0000000000004159 |