Herrera-Cruz , Cynthia J. “Correlation Between Periodontal Disease and Complications Due Covid-19”. Mexican Journal of Medical Research ICSA 10, no. 20 (July 5, 2022): 51-58. Accessed April 25, 2024. https://repository.uaeh.edu.mx/revistas/index.php/MJMR/article/view/8867.