Musdalifah, Eva, M. Juffrie, Purnomo S, and Amalia Amalia. 2016. “Reverse Transcription Polymerase Chain Reaction (RT-PCR) As an Influenza Diagnostic Test Among Children in Yogyakarta”. Paediatrica Indonesiana 48 (5), 288-91. https://doi.org/10.14238/pi48.5.2008.288-91.