Laras, Naomi Laksita, and Pimpin Utama Pohan. “Profile of Breast Cancer Patients on Estrogen Receptor Expression in RSUD. Dr. Pirngadi Medan 2018-2019”. SCRIPTA SCORE Scientific Medical Journal, vol. 4, no. 2, Mar. 2023, pp. 35-44, doi:10.32734/scripta.v4i2.10520.