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<strong>Gezira Journal of Health Sciences</strong>, [S.l.], v. 15, n. 1, june 2019.
ISSN 1810-5386. Available at: &lt;<a href="http://journals.uofg.edu.sd/index.php/gjhs/article/view/1354" target="_new">http://journals.uofg.edu.sd/index.php/gjhs/article/view/1354</a>&gt;. Date accessed: 30 june 2026.