Malik, Sobia, Raheela Yasmin, Razia Rizwan, Rizwan Ahmed, Muhammad Kashif, and Bushra Shah. “IMPACT OF PERIODONTAL DISEASE ON ORAL HEALTH RELATED QUALITY OF LIFE AMONG PATIENTS”. Annals of Allied Health Sciences 4, no. 2 (October 3, 2019): 56-59. Accessed July 15, 2020. http://aahs.kmu.edu.pk/index.php/aahs/article/view/63.