V. R. Chinta

Association between periodontitis and severity of COVID‐19 infection: A case–control study

M. Sanz, B. Nicolau, F. Tamimi, 2021, Journal of clinical periodontology.

Association of periodontal therapy, with inflammatory biomarkers and complications in COVID-19 patients: a case control study

M. Sanz, H. Daas, Mohammad Abusamak, 2022, Clinical Oral Investigations.

The first consecutive 5000 patients with Coronavirus Disease 2019 from Qatar; a nation-wide cohort study

R. Bertollini, H. Al-Kuwari, M. Frenneaux, 2020, BMC Infectious Diseases.