Rahmatika, F. N., Suryaningsih, I. I., Chumairoh, N., & Djunaedi, D. (2022). Comparison of Antibody Titers From COVID-19 Survivors and Health Workers Getting Two Doses of the Sinovac® Vaccine. KnE Medicine, 2(3), 459–464. https://doi.org/10.18502/kme.v2i3.11898