SHALABY, Rania Hassan; 						FATHI, Yehia; 						ELSAADANY, Basma.
 Efficacy and safety of beta carotones  in treatment of oral leukoplakia: systematic  review and meta-analysis..
<strong>Journal of Oral Research</strong>, [S.l.], v. 8, n. 6, p. 488-498, dec. 2019.
ISSN 0719-2479.
Available at: &lt;<a href="https://joralres.com/index.php/JOralRes/article/view/joralres.2019.071" target="_new">https://joralres.com/index.php/JOralRes/article/view/joralres.2019.071</a>&gt;. Date accessed: 06 may 2024.
doi: <a href="https://doi.org/10.17126/joralres.2019.071">https://doi.org/10.17126/joralres.2019.071</a>.