| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Elsevier Science | https://linkinghub.elsevier.com/retrieve/pii/0014-4800(92)90010-9 | |
| Cholesterol Levels: What You Need to Know | free resource | MedlinePlus Health Information | https://medlineplus.gov/cholesterollevelswhatyouneedtoknow.html |