Abdalla, A. A., S. A. Balla, M. S. Ahmed Mohamed, H. M. Behairy, N. A. Waqialla Fahal, D. A. Hassan Ibrahim, M. I. Mohamed, and I. A. Ali. “Prevalence of Hypertension Stages and the Main Risk Factors in Khartoum Locality, Sudan, 2014”. New Insights into Disease and Pathogen Research Vol. 2, Sept. 2019, pp. 38-49, https://stm1.bookpi.org/index.php/nidpr-v2/article/view/397.