Samsi, T., Wulur, H., Sugianto, D., Bartz, C., Tan, R., & Sie, A. (1990). Some clinical and epidemiological observations on virologically confirmed dengue hemorrhagic fever. Paediatrica Indonesiana, 30(11-12), 293-303. https://doi.org/10.14238/pi30.11-12.1990.293-303