| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Elsevier Science | https://linkinghub.elsevier.com/retrieve/pii/S0024-3205(05)00521-7 | |
| Opioids and Opioid Use Disorder (OUD) | free resource | MedlinePlus Health Information | https://medlineplus.gov/opioidsandopioidusedisorderoud.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=15979652.ui |