Sjahrurachman, Agus, Agustin Indrawati, Betty Ernawati, Fera Ibrabim, and Mardiastuti Mardiastuti. “Monoclonal Antibodies to Human IgM”. Medical Journal of Indonesia 8, no. 4 (October 1, 1999): 218–21. Accessed July 2, 2025. http://mji.ui.ac.id/journal/index.php/mji/article/view/714.