| Name | Info | Provider | Link |
|---|---|---|---|
| Smoking | free resource | MedlinePlus Health Information | https://medlineplus.gov/smoking.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=30829275.ui | |
| free resource | NCI CPTAC Assay Portal | https://assays.cancer.gov/CPTAC-1595 | |
| Drug Use and Addiction | free resource | MedlinePlus Consumer Health Information | https://medlineplus.gov/druguseandaddiction.html |
| free resource | Wolters Kluwer | https://doi.org/10.4103/ijc.IJC_650_17 |