M A, B N, V R. Nasolabial Angle in Patients with Maxillary Incisor Proclination- A Retrospective study. CIBG [Internet]. 2021 Apr. 30 [cited 2025 Oct. 31];27(2):427-33. Available from: http://www.cibgp.com/index.php/1323-6903/article/view/945