Chumairoh, Nur, Djoni Djunaedi, Ro’di Nur Fajri, and Indah Ika Suryaningsih. 2022. “Laboratory Examinations of Employees of Muhammadiyah University General Hospital of Malang Infected With COVID-19”. KnE Medicine 2 (3), 465–471. https://doi.org/10.18502/kme.v2i3.11899.