Thiygarajan, M., Navrathan, N., T., M., Kumar, A., & Singh, B. (2016). Correlation between estrogen receptor, progesterone receptor, HER-2/neu status and other prognostic factors in carcinoma breast in Indian population. International Surgery Journal, 2(4), 515–522. https://doi.org/10.18203/2349-2902.isj20151000