Systematic Review: Accuracy of Anti--Citrullinated Peptide Antibodies for Diagnosing Rheumatoid Arthritis. - Whiting, Penny F.; Smidt, Nynke; Sterne, Jonathan A. C.; Harbord, Roger; Burton, Anya; Burke, Margaret; Beynon, Rebecca; Ben-Shlomo, Yoav; Axford, John; Dieppe, Paul (Annals of Internal Medicine, 2010)