Hoor Fatima, Zaheer Amjad, Sidra Binte Saleem, Ashhad Mazhar Siddiqi, Afsheen Khan and Ghulam Mustafa (2026) “Metastatic Breast Cancer: A Correlation between Ki67, a Tumor Marker and Various Stages in Terms of age Groups”, International Journal of Pharmacy Research & Technology (IJPRT), 16(1), pp. 643–646. Available at: https://www.ijprt.org/index.php/pub/article/view/1548 (Accessed: 23 February 2026).