Masood Butt, Ahsan, Rao Saood Ahmad, Gazanfar Ali, Javaria Ahsan, Razia Bibi, and Sohail Ilyas. “Assessment of Survival of Keystone Perforator Flap”. Pakistan Armed Forces Medical Journal 73, no. 6 (December 30, 2023): 1765–1768. Accessed June 8, 2025. https://www.pafmj.org/PAFMJ/article/view/10196.