JAFARZADEH, Abdollah; MONTAZERIFAR, Sayed Jalal. PERSISTENCE OF ANTI-HBs ANTIBODY AND IMMUNOLOGICAL MEMORY IN CHILDREN VACCINATED WITH HEPATITIS B VACCINE AT BIRTH. Journal of Ayub Medical College Abbottabad, [S. l.], v. 18, n. 4, p. 4–9, 2006. Disponível em: https://www.jamc.ayubmed.edu.pk/index.php/jamc/article/view/4261. Acesso em: 3 may. 2025.