Ejaz, Sana, Muhammad Saulat Naeem, Zain Tayyab, Nida Saleem, and Amina Khan. “Association of Ki-67 Proliferation Index With Axillary Lymph Node Metastasis in Early Breast Cancer: A Retrospective Study”. Pakistan Armed Forces Medical Journal 76, no. SUPPL-7 (July 15, 2026). Accessed July 22, 2026. https://pafmj.org/PAFMJ/article/view/13830.