S. Hamid, M. Mudassar, U. . Rehman, I. . Khalid, S. . Hameed, and T. . Mehmood, “Association of Expression Patterns of ER, PR, HER-2/neu and Ki67 with Nottingham Tumor Grade in Breast Cancer Biopsies: ER, PR, HER2 and Ki-67 in Relation to Nottingham Tumor Grade in Breast Cancer”, J Aziz Fatm Med Den College, vol. 8, no. 1, pp. 11–17, Jun. 2026.