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<strong>Gezira Journal of Health Sciences</strong>, [S.l.], v. 14, n. 1, jan. 2020.
ISSN 1810-5386. Available at: &lt;<a href="http://37.60.236.48/index.php/gjhs/article/view/737" target="_new">http://37.60.236.48/index.php/gjhs/article/view/737</a>&gt;. Date accessed: 03 june 2026.