| Name | Info | Provider | Link |
|---|---|---|---|
| free resource | BioMed Central | https://bmcpublichealth.biomedcentral.com/articles/10.1186/s12889-021-12348-6 | |
| HIV | free resource | MedlinePlus Health Information | https://medlineplus.gov/hiv.html |
| free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/35016650/ | |
| free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/35016650 |