Khan, Aveen Yousuf, Ghulam Haider, Saima Zahoor, Maryum Nouman, and Neelma Bukhari. “Correlation of Percentage of Ki67 With Tumor Grade in Breast Cancer”.
Pakistan Armed Forces Medical Journal 73, no. SUPPL-1 (July 23, 2023): S291–295. Accessed June 14, 2025.
https://www.pafmj.org/PAFMJ/article/view/4050.