title: Systemic lupus erythematosus disease activity index 2000 responder index-50 website.
authors: Zahi
authors: Z
authors: Touma
authors: Murray B
authors: MB
authors: Urowitz
authors: Dafna D
authors: DD
authors: Gladman
mesh_terms: D001291:Attitude of Health Personnel; D005260:Female; D019538:Health Care Surveys; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis*; D008297:Male; D012219:Rheumatology