Emad, Y., et al. “Antibodies to Extractable Nuclear Antigens (ENAS) in Systemic Lupus Erythematosus Patients: Correlations With Clinical Manifestations and Disease Activity”. Reumatismo, vol. 70, no. 2, July 2018, pp. 85-91, doi:10.4081/reumatismo.2018.1027.