| Name | Info | Provider | Link |
|---|---|---|---|
| free resource | BioMed Central | https://ascpjournal.biomedcentral.com/articles/10.1186/s13722-022-00312-7 | |
| 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/35725648/ | |
| free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/35725648 |