Abdaldafi, Osama Elagbash Elamein. “SEROFREQUENCY OF DENGUE VIRUS AMONG FEBRILE PATIENTS ATTENDING PORTSUDAN TEACHING HOSPITAL”. Journal of Biomedical and Pharmaceutical Research 3, no. 6 (December 30, 2014). Accessed May 5, 2024. http://www.jbpr.in/index.php/jbpr/article/view/317.