Krishnan, Rijesh, Ramesh Chetty, and Ram Prakash. “Augmentation of Acquired Defect of the Forehead With Subperiosteal Silicone Implant”. Journal of Orofacial Research 3, no. 1 (January 1, 1970): 72–75. Accessed December 5, 2025. https://mansapublishers.com/jofr/article/view/1894.