Ayesha Yasir, Shahzad Nasir, Muhammad Saad Shaikh. “Altered Salivary Enzyme Activity and Its Physiological Implications in Oral Squamous Cell Carcinoma. A Clinical Study”. Pakistan Journal of Medical & Health Sciences 18, no. 01 (January 21, 2024): 688. Accessed December 20, 2025. https://pjmhsonline.com/index.php/pjmhs/article/view/6912.