Johannes CB, Schneider GA, Walker AM, Viveash D, Wallis WJ. Increased incidence of lymphoma among patients with rheumatic diseases based on automated insurance claims information. Presented at the 20th ICPE International Conference on Pharmacoepidemiology & Therapeutic Risk Management; August 22, 2004. Bordeaux, France. [abstract] Pharmacoepidemiol Drug Saf. 2004 Sep 23; 13:S239.
Johannes CB, Schneider GA, Walker AM, Zhao S, Shibata A. Validation of a propensity score developed using claims data in controlling for health status of rheumatic disease patients initiating etanercept compared with other DMARDS. Presented at the 20th ICPE International Conference on Pharmacoepidemiology & Therapeutic Risk Management; August 22, 2004. Bordeaux, France. [abstract] Pharmacoepidemiol Drug Saf. 2004 Sep 23; 13(S1):S16.
Johannes CB, Zhao S, Shibata A, Schneider G, Wallis W, Walker A. Propensity score analysis in balancing underlying disease severity among rheumatic disease patients treated with etanercept or another DMARD. Poster presented at the American College of Rheumatology Annual Scientific Meeting; 2004.