Thyagarajan (Hoffman) V, Norman H, Alexander KA, Napalkov P, Enger C. Risk of mortality, fatal infection, and fatal malignancy related to use of anti-tumor necrosis factor-α biologics by rheumatoid arthritis patients. Semin Arthritis Rheum. 2012 Dec;42(3):223-33. doi: 10.1016/j.semarthrit.2012.05.004
Schmidt M, Christiansen CF, Mehnert F, Rothman KJ, Sorensen HT. Non-steroidal anti-inflammatory drug use and risk of atrial fibrillation or flutter: population based case-control study. Br Med J. 2011 Jul 4;343:d3450. doi: 10.1136/bmj.d3450