Ali, Salah A. 2009. “Correlation of HER-2 Status With Estrogen, Progesterone Receptors and Histological Grading in 122 Invasive Breast Carcinomas”. Zanco Journal of Medical Sciences (Zanco J Med Sci) 13 (2):1-7. https://doi.org/10.15218/zjms.2009.012.