| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | S. Karger AG, Basel, Switzerland | https://doi.org/10.1159/000370341 | |
| Breast Cancer | free resource | MedlinePlus Health Information | https://medlineplus.gov/breastcancer.html |
| free resource | NCI CPTC Antibody Characterization Program | https://antibodies.cancer.gov/detail/CPTC-PGR-1 |