Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0008-8749(98)91378-8
Stem Cells free resource MedlinePlus Health Information https://medlineplus.gov/stemcells.html
free resource NCI CPTC Antibody Characterization Program https://antibodies.cancer.gov/detail/CPTC-NCAM1-1