Noor-ul-Ain Qazi, Amna Bilal, Fatima Siraj, Shahwar Siddiq, Hafsa Gul, Madiha Riasat. “Periodontal Disease Risk Factors Assessment in Association With Frequency of Tooth Brushing”. Pakistan Journal of Medical & Health Sciences 16, no. 10 (November 22, 2022): 213. Accessed November 21, 2024. https://mail.pjmhsonline.com/index.php/pjmhs/article/view/3023.