| Name | Info | Provider | Link |
|---|---|---|---|
| Opioids and Opioid Use Disorder (OUD) | free resource | MedlinePlus Health Information | https://medlineplus.gov/opioidsandopioidusedisorderoud.html |
| free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/35615042/ | |
| free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/35615042 | |
| free resource | Frontiers Media SA | https://doi.org/10.3389/fpubh.2022.850619 |