MANAN, Alamzeb. PREVALENCE OF HBsAg IN ADULTS NEEDING ENDOSCOPY AND ITS LIKELY AETIOLOGICAL FACTORS. Journal of Ayub Medical College Abbottabad, [S. l.], v. 10, n. 1, p. 3–4, 1998. Disponível em: https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/4797. Acesso em: 5 apr. 2025.