Nauman Bari Khan, Muhammad Azhar, Amna Zaheer Kayani, and Ayesha Aslam. 2020. “ORAL HYGIENE ATTITUDE AND BEHAVIOR OF PRE-CLINICAL AND CLINICAL UNDERGRADUATE DENTAL STUDENTS”. Pakistan Oral & Dental Journal 39 (4), 365-68. http://podj.com.pk/index.php/podj/article/view/492.