How comparable are rates of malignancies in patients with rheumatoid arthritis across the world? A comparison of cancer rates, and means to optimise their comparability, in five RA registries
Johan Askling, Niklas Berglind, Stefan Franzen, Thomas Frisell, Christopher Garwood, Jeffrey D Greenberg, Meilien Ho, Marie Holmqvist, Laura Horne, Eisuke Inoue, Kaleb Michaud, Fredrik Nyberg, Dimitrios A Pappas, George Reed, Eiichi Tanaka, Trung N Tran, Suzanne M M Verstappen, Hisashi Yamanaka, Eveline Wesby-van Swaay, Deborah Symmons
Annals of the Rheumatic Diseases Oct 2016, 75 (10) 1789-1796; DOI: 10.1136/annrheumdis-2015-208105