Bhattacharya PT, Pal S, Sinha R, Misra M, Bhattacharya A. An Upper Lip Swelling: A Case Report, Differential Diagnosis and Review of Literature. J Orofac Res. 1970;3(2):136-139. Accessed December 5, 2025. https://mansapublishers.com/jofr/article/view/1909