Dayal S, Saxena H, Kulshrestha R, Agarwal K, Rai D, Hawaldar C. Comparison of angular and linear measurements of soft tissue profile between cephalograms and photograph in subjects with class I and II malocclusion in North Indian population- A comparative study. J Orofac Res. 2019;8(3):48-54. Accessed December 5, 2025. https://www.mansapublishers.com/jofr/article/view/1685