Butt, Ghazala, Wajieha Saeed, Muhammad Uzair, and Ijaz Hussain. 2018. “Lower Lip Ulceration With Purulent Discharge in a Child With Cerebral Palsy”. Journal of Pakistan Association of Dermatologists 27 (2):197-99. https://doi.org/10.66344/jpad.27.2.2017.1093.