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
Mordin M, Anastassopoulos K, van Breda A, Vallow S, Zhang M, Gargiulo K, Hewitt D, Olson W, Sikirica V. Clinical staff resource use with intravenous patient-controlled analgesia in acute postoperative pain management: results from a multicenter, prospective, observational study. J Perianesth Nurs. 2007 Aug 1;22(4):243-55.