Waqar-un-Nisa, Moomal Aslam Khan, Faiza Agha, Shumaila Khan, Sara Fatima, Padma Rathore. “Salivary Biomarkers CYFRA 21-1 and MMP9: Predictive Indicators of Disease Progression in Oral Squamous Cell Carcinoma”. Pakistan Journal of Medical & Health Sciences, vol. 17, no. 11, Nov. 2023, p. 179, doi:10.53350/pjmhs020231711179.