Fry RB, Ray MN, Cobaugh DJ, Weissman NW, Kiefe CI, Shewchuk RM, Saag KG, Curtis JR, Allison JJ. Racial/ethnic disparities in patient-reported nonsteroidal antiinflammatory drug (NSAID) risk awareness, patient-doctor NSAID risk communication, and NSAID risk behavior. Arthritis Rheum. 2007 Dec 15; 57(8):1539-45.