Name Info Provider Link
subscription/membership/fee required Ingenta plc http://jmm.microbiologyresearch.org/pubmed/content/journal/jmm/10.1099/00222615-46-6-486
Eye Care free resource MedlinePlus Health Information https://medlineplus.gov/eyecare.html
free resource NCI CPTC Antibody Characterization Program https://antibodies.cancer.gov/detail/CPTC-HLA-B-1