Idar, I., M. Yusuf, J. A. Anshori, and T. Subroto. “Purification of IgY Anti-SARS-CoV-2-Chicken Nucleocapsid and Elimination of Its Low-Temperature Storage-Induced Aggregates”. Trends in Sciences, vol. 21, no. 5, Mar. 2024, p. 7649, doi:10.48048/tis.2024.7649.