Hassan, A.A. AL, M.A. Abdalmajed, Tahane Bashir Mohamadeen, and Nagat Bashir Mohamadeen. 2022. “Sero-Prevalence of Syphilis Among Blood Donors in Port Sudan City, Sudan, 2016”. ABC Research Alert 10 (2): 60-70. https://doi.org/10.18034/ra.v10i2.613.