MONTANARES ESPINOZA, Mervin et al.
 Study protocol to assess sleep quality and quantity of dental students belonging to the University of Concepcion in e-learning classes during the current pandemic..
<strong>Journal of Oral Research</strong>, [S.l.], p. 1-4, jan. 2021.
ISSN 0719-2479.
Available at: &lt;<a href="https://joralres.com/index.php/JOralRes/article/view/joralres.2021.038" target="_new">https://joralres.com/index.php/JOralRes/article/view/joralres.2021.038</a>&gt;. Date accessed: 06 may 2024.
doi: <a href="https://doi.org/10.17126/joralres.2021.038">https://doi.org/10.17126/joralres.2021.038</a>.