Mohammed I.ELsedig 3, Khalid Enan4, M. J.-M. 1, M. A. “SEROPREVALENCE OF PARVOVIRUS B19 AMONG SUDANESE PATIENTS WITH SYSTEMIC LUPUS ERYTHMATOSUS”. Journal of Biomedical and Pharmaceutical Research, vol. 3, no. 4, Aug. 2014, http://www.jbpr.in/index.php/jbpr/article/view/296.