1. Family studies in systemic lupus erythematosus;Leonhardt;Acta Med Scand [Suppl],1964
2. Epidemiologic studies on systemic lupus erythematosus: comparative data for New York City and Jefferson County, Alabama, 1956-1965;Siegel;Arthritis Rheum,1970
3. Epidemiologic features of diffuse connective tissue disorders in Rochester, Minn., 1951 through 1967, with special reference to systemic lupus erythematosus;Kurland;Mayo Clin Proc,1969
4. Preliminary criteria for the classification of systemic lupus erythematosus;Cohen;Bull Rheum Dis,1971
5. Systemic lupus erythematosus in the community: incidence, prevalence, outcome, and first symptoms; the high prevalence in black women;Fessel;Arch Intern Med,1974