Han, S. B., H. J. Shin, E. S. Lee, J. W. Lee, N.-G. Chung, B. Cho, and J. H. Kang. “SEROLOGICAL CHANGES AGAINST HEPATITIS B SURFACE ANTIGEN IN CHILDREN AND ADOLESCENTS RECEIVING CHEMOTHERAPY FOR ACUTE LEUKEMIA”. Mediterranean Journal of Hematology and Infectious Diseases, vol. 11, no. 1, Aug. 2019, p. e2019052, doi:10.4084/mjhid.2019.052.