Khurram Jah Zafar, Saba Ansar, Nosheen Sarwar, Maleeha Khurram, Rida Ahmed, and Sadia Manzoor. “Oral Hygiene Practices and Reasons for Delaying Dental Treatment Among Patients Attending A Public-Sector Tertiary-Care Dental Hospital”. Pakistan Journal of Medical Research, vol. 59, no. 2, Sept. 2020, pp. 70-74, https://pjmr.org.pk/index.php/pjmr/article/view/114.