Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0009-2797(07)00121-4
Arthritis free resource MedlinePlus Health Information https://medlineplus.gov/arthritis.html
free resource NCI CPTC Antibody Characterization Program https://antibodies.cancer.gov/detail/CPTC-MPO-1