Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S1049-3867(07)00063-1
Sexually Transmitted Infections free resource MedlinePlus Health Information https://medlineplus.gov/sexuallytransmittedinfections.html
free resource NCI CPTAC Assay Portal https://assays.cancer.gov/CPTAC-68