ASSESSMENT OF KNOWLEDGE, ATTITUDE AND PRACTICE OF 12 YEAR OLD CHILDREN TOWARDS ORAL HEALTH IN SOUTH CHENNAI. Journal of Pharmaceutical Negative Results, [S. l.], p. 1479–1485, 2022. DOI: 10.47750/pnr.2022.13.S03.228. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/1243.. Acesso em: 23 jun. 2026.