Sapkota, Binam, and Ujjwal Rimal. “Lip Length and Its Correlation Among Different Age Group and Gender in Nepalese Population”. Orthodontic Journal of Nepal 11, no. 2 (December 31, 2021): 25–28. Accessed November 24, 2024. https://nepjol.info./index.php/OJN/article/view/43272.