| Name | Info | Provider | Link |
|---|---|---|---|
| Endoscopy | free resource | MedlinePlus Health Information | https://medlineplus.gov/endoscopy.html |
| subscription/membership/fee required | Springer | https://doi.org/10.1007/s11596-018-1957-3 | |
| free resource | NCI CPTC Antibody Characterization Program | https://antibodies.cancer.gov/detail/CPTC-PTEN-1 |