Rahimi, M., W. Harahap, and Y. Yanwirasti. “Relations of Human Epidermal Growth Factor Receptor 2 (HER2) Expression and E-Cadherin (CDH1) Expression in Breast Cancer Patients”. Biomedika, Vol. 14, no. 1, Mar. 2021, pp. 1-8, doi:https://doi.org/10.31001/biomedika.v14i1.1111.