| Name | Info | Provider | Link |
|---|---|---|---|
| Pneumonia | free resource | MedlinePlus Health Information | https://medlineplus.gov/pneumonia.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=30321334.ui | |
| Full text from | free resource | Diposit Digital de la Universitat de Barcelona | http://hdl.handle.net/2445/136437 |
| subscription/membership/fee required | Silverchair Information Systems | https://academic.oup.com/cid/article-lookup/doi/10.1093/cid/ciy894 |