G. I. R. Tuelah, H. S. Lubis, L. . Feriyawati, and F. Y. . Harahap, “Relationship of Histopathological Grading and Age of HER2-type Breast Cancer Patients at Adam Malik Hospital in January 2022 – June 2024”, SCRIPTA SCORE Sci Med J., vol. 7, no. 1, pp. 50–56, Aug. 2025.