Herawaty, T., Tumbelaka, A., Widodo, D., Trihono, P., Setyanto, D., & Yanuarso, P. (2010). Procalcitonin levels in children aged 3-36 months with suspected serious bacterial infection. Paediatrica Indonesiana, 50(5), 310-5. https://doi.org/10.14238/pi50.5.2010.310-5