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