NAJEEB, W.; WAHEED, P.; KHADIM, R. Heterologous Covid-19 vaccines intervention effect on reactogenicity. Journal of the Pakistan Medical Association, [S. l.], v. 74, n. 1, p. 134–137, 2023. DOI: 10.47391/JPMA.8615. Disponível em: https://www.jpma.org.pk/index.php/public_html/article/view/8615. Acesso em: 19 apr. 2026.