Sruthi S, Deepa Gurunathan, and Subramanian E M G. “Working Length of Maxillary Primary First Molars in Children Aged 2-6 Years”. International Journal of Research in Pharmaceutical Sciences 11, no. (SPL 3) (October 23, 2020): 1552–1557. Accessed July 8, 2024. https://ijrps.com/home/article/view/3205.