ELBASHIR, Ibtisam M E et al. The Impact of Active Case Finding among Household Contacts of Sputum Smear Positive Patients on the Case Detection Rate.. Gezira Journal of Health Sciences, [S.l.], v. 8, n. 1, jan. 2012. ISSN 1810-5386. Available at: <http://journals.uofg.edu.sd/index.php/gjhs/article/view/347>. Date accessed: 08 june 2026.