| Name | Info | Provider | Link |
|---|---|---|---|
| HIV | free resource | MedlinePlus Health Information | https://medlineplus.gov/hiv.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=20158398.ui | |
| free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20158398/ | |
| free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/20158398 | |
| free resource | NCI CPTC Antibody Characterization Program | https://antibodies.cancer.gov/detail/CPTC-CD4-1 | |
| subscription/membership/fee required | Silverchair Information Systems | https://academic.oup.com/cid/article-lookup/doi/10.1086/650745 |