Nurisyah, Sitti, Mitsuhiro Iyori, Ammar A. Hasyim, Khaeriah Amru, Kei Itani, Kurumi Nakamura, Kartika H. Zainal, et al. 2025. “Evaluation of an E. Coli-Expressed Spike Protein-Based in-House ELISA System for Assessment of Antibody Responses After COVID-19 Infection and Vaccination”. Narra J 5 (1):e1250. https://doi.org/10.52225/narra.v5i1.1250.