| Name | Info | Provider | Link |
|---|---|---|---|
| Drug Use and Addiction | free resource | MedlinePlus Health Information | https://medlineplus.gov/druguseandaddiction.html |
| Drug Use and Addiction | free resource | MedlinePlus Consumer Health Information | https://medlineplus.gov/druguseandaddiction.html |
| subscription/membership/fee required | Silverchair Information Systems | https://academic.oup.com/ndt/article-lookup/doi/10.1093/oxfordjournals.ndt.a027226 |