| Name | Info | Provider | Link |
|---|---|---|---|
| CPR | free resource | MedlinePlus Health Information | https://medlineplus.gov/cpr.html |
| free resource | Wiley | https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=1069-6563&date=1994&volume=1&issue=1&spage=35 |