Kakkar, V., A. Kaushal, S. Hanspal, K. Singh, A. Randhawa, and H. Kaur. “Analytic Study of Hormone Receptor Status of Breast Cancer Patients Visiting in a Tertiary Care Hospital of North-West India”. International Surgery Journal, vol. 8, no. 2, Jan. 2021, pp. 612-5, doi:10.18203/2349-2902.isj20210371.