References
Violeta Rus, Erinn E, Maury, and Marc C. Hoch berg. The Epidemioloy of Systemic Lupus Erythematosus. In: Daniel J. Wallace, Berva Hannahs Hahn Dubios’ Lupus Erythematosus, Seveth Edition, Lippincott William & Wikins, 2007: 34-44.