Examining The Clinical Symptoms Of The Oral Cavity And Its Severity In Patients With COVID-19 Referred To Imam Reza Hospital In 2019. Journal of Pharmaceutical Negative Results [Internet]. 2023 Feb. 15 [cited 2026 Jun. 9];:2300-8. Available from: https://mail.pnrjournal.com/index.php/home/article/view/8724