| Name | Info | Provider | Link |
|---|---|---|---|
| Opioids and Opioid Use Disorder (OUD) | free resource | MedlinePlus Health Information | https://medlineplus.gov/opioidsandopioidusedisorderoud.html |
| subscription/membership/fee required | Springer | https://dx.doi.org/10.1007/s10151-020-02190-0 |