| Name | Info | Provider | Link |
|---|---|---|---|
| Syphilis | free resource | MedlinePlus Health Information | https://medlineplus.gov/syphilis.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=37156513.ui | |
| free resource | Wiley | https://onlinelibrary.wiley.com/doi/10.1111/tmi.13881 |