Morris Siegel, Stanley L. Lee, Daniel Widelock, Edith Bramwell Reilly, Gilbert J. Wise, Salvador B. Zingale, Harold T. Fuerst,
The epidemiology of systemic lupus erythematosus: Preliminary results in New York City Journal of Chronic Diseases. ,vol. 15, pp. 131- 140 ,(1962) ,
10.1016/0021-9681(62)90063-2