Mehmood, Asif, et al. “Significance of Testing Anti-HBcIgM Antibodies for the Screening of Hepatitis B in the Donor Blood”. Journal of Ayub Medical College Abbottabad, vol. 32, no. 4-Sup 1, Jan. 2021, pp. 618-20, https://www.jamc.ayubmed.edu.pk/index.php/jamc/article/view/3672.