Nor Masitah Mohamed Shukri, Jessy P., Arthi Balasubramaniam. “Prevalence of Non-Vital Molars and Incisors in Children- A Retrospective Study”. Annals of the Romanian Society for Cell Biology (March 30, 2021): 6026–6045. Accessed April 27, 2024. https://www.annalsofrscb.ro/index.php/journal/article/view/2133.