Aslam, P. K., A. Riyaz, V. T. A. Kumar, and M. G. Geeta. “Hepatitis B in Children With Leukemia: The Role of Primary Immunization”. International Journal of Contemporary Pediatrics, vol. 6, no. 3, Apr. 2019, pp. 1281-4, doi:10.18203/2349-3291.ijcp20192028.