E. N. . Sarno, F. G. . Alvariz, D. B. da . Silva, F. . Ruzany, and J. L. . Pereira, “Antibodies to hepatitis core antigen as a sensitive indicator of infection by hepatitis B virus”, Rev. Inst. Med. Trop. São Paulo, vol. 19, no. 6, pp. 374–377, Dec. 1977, Accessed: Jun. 26, 2024. [Online]. Available: https://revistas.usp.br/rimtsp/article/view/197988