Enad , Hind H, and Abbas S .Al-Mizraqchi. “Salivary Cortisol As a Stress Biomarker and Total Viable Count of Salivary Bacterial Microbiome Among COVID-19 Patients”. Journal of Baghdad College of Dentistry 33, no. 4 (September 15, 2021): 6–10. Accessed May 3, 2024. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/3013.