HAI NAM, Le et al.
 Clinical Features of Chronic Sinusitis in Adult Patients in the National Otorhinolaryngology Hospital of Vietnam in 2019.
<strong>VNU Journal of Science: Medical and Pharmaceutical Sciences</strong>, [S.l.], v. 36, n. 2, june 2020.
ISSN 2588-1132.
Available at: &lt;<a href="https://js.vnu.edu.vn/MPS/article/view/4230" target="_new">https://js.vnu.edu.vn/MPS/article/view/4230</a>&gt;. Date accessed: 24 apr. 2024.
doi: <a href="https://doi.org/10.25073/2588-1132/vnumps.4230">https://doi.org/10.25073/2588-1132/vnumps.4230</a>.