Comparison of Systemic Lupus Erythematosus and Healthy Anti-Nuclear Antibody Positive African-Americans Reveals Distinct Differences in T Cell and Progenitor Populations Lu, R., Slight-Webb, S., Maecker, H. T., Utz, P. J., Guthridge, J. M., James, J. A. WILEY-BLACKWELL. 2014: S1176