Siregar, M. F. G., and R. S. Tambunan. “Challenges in Managing AUB-C in Adolescence With Acute Lymphoblastic Leukemia in North Sumatera, Indonesia: A Case Report”. Open Access Macedonian Journal of Medical Sciences, vol. 11, no. C, Jan. 2023, pp. 84-88, doi:10.3889/oamjms.2023.11059.