Name Info Provider Link
subscription/membership/fee required Atypon https://journals.sagepub.com/doi/10.1177/104063878900100204?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
Bleeding free resource MedlinePlus Health Information https://medlineplus.gov/bleeding.html
free resource NCI CPTC Antibody Characterization Program https://antibodies.cancer.gov/detail/CPTC-HLA-B-1