Fitra, M., Harahap, W. A., & Zulfiqar, Y. (2021). Elective Surgery Service of Oncology Surgery Division Before and During Early Pandemic Era of Corona Virus Disease 19 (COVID-19) in Dr. M. Djamil Hospital Padang. Biomedical Journal of Indonesia, 7(1), 181–192. https://doi.org/10.32539/bji.v7i1.276