Antibodies Against Cyclic Citrullinated Peptides of IgG, IgA and IgM Isotype and Rheumatoid Factor of IgM and IgA Isotype Are Increased in Unaffected Members of Multicase Rheumatoid Arthritis Families From Northern Sweden

Annals of the Rheumatic Diseases - United Kingdom

doi 10.1136/annrheumdis-2011-200668