Nadira Afia, Rifsal Siregar D. Level of Knowledge of Early Detection of Breast Cancer in USU Faculty of Medicine Students, 2018–2019. Sumat. Med. J. [Internet]. 2023Mar.2 [cited 2025Aug.4];6(1):34-7. Available from: https://talenta.usu.ac.id/smj/article/view/7885