SHAIKH, Zulfiqar Ali et al. Frequency of Hepatitis B and C Viruses in Patients with Malignancies in a Tertiary Care Hospital, Karachi, Pakistan. Pakistan Journal of Public Health, [S. l.], v. 13, n. 3, p. 138–141, 2023. DOI: 10.32413/pjph.v13i3.1252. Disponível em: https://www.pjph.org/pjph/article/view/1252.. Acesso em: 23 apr. 2025.