| Name | Info | Provider | Link |
|---|---|---|---|
| HIV | free resource | MedlinePlus Health Information | https://medlineplus.gov/hiv.html |
| subscription/membership/fee required | Taylor & Francis | https://www.tandfonline.com/doi/full/10.1080/09540121003668102 | |
| free resource | NCI CPTC Antibody Characterization Program | https://antibodies.cancer.gov/detail/CPTC-CD4-2 |