| Name | Info | Provider | Link |
|---|---|---|---|
| Birthmarks | free resource | MedlinePlus Health Information | https://medlineplus.gov/birthmarks.html |
| subscription/membership/fee required | Wiley | https://doi.org/10.1111/j.1540-8175.2011.01506.x | |
| free resource | NCI CPTC Antibody Characterization Program | https://antibodies.cancer.gov/detail/CPTC-HLA-B-1 |