| Name | Info | Provider | Link |
|---|---|---|---|
| Diphtheria | free resource | Genetic Alliance | https://www.diseaseinfosearch.org/result/2292 |
| Diphtheria | free resource | MedlinePlus Health Information | https://medlineplus.gov/diphtheria.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=37957801.ui | |
| subscription/membership/fee required | Wiley | https://doi.org/10.1111/zph.13094 |