Yusra, Yusra, Tammy Nurhardini, Yudhistira Yudhistira, Nafisah Nafisah, Sri Suryo Adiyanti, and Astuti Giantini. 2024. “The Comparison of Laboratory Parameters of COVID-19 Patients in Universitas Indonesia Hospital Before and During Delta Variant Periode”. EJournal Kedokteran Indonesia 12 (2):124. https://doi.org/10.23886/ejki.12.757.124.