Name Info Provider Link
free resource BioMed Central https://bmchealthservres.biomedcentral.com/articles/10.1186/s12913-021-07229-y
Sexually Transmitted Infections free resource MedlinePlus Health Information https://medlineplus.gov/sexuallytransmittedinfections.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34772418/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/34772418