Dr. Lalitha Rani Chellappa, Harippriya Karthikeyan,. 2024. “KNOWLEDGE AND AWARENESS OF ORAL HYGIENE AMONG PARENTS OF SPECIAL SCHOOL CHILDREN ”. Obstetrics and Gynaecology Forum 34 (2s):691-97. http://obstetricsandgynaecologyforum.com/index.php/ogf/article/view/210.