Rizqoh, Debie, and Roina Sitanggang. “Comparison of Widal Test Using Serum and Plasma Samples”. Biomedical Journal of Indonesia 7, no. 2 (July 2, 2021): 293–298. Accessed December 23, 2024. https://bji-fk.ejournal.unsri.ac.id/index.php/bji/article/view/95.