Prevalence and patterns of adverse events following immunisation among children less than 24 months attending immunisation clinics in Kano, Nigeria. Annals of African Medical Research, [S. l.], v. 4, n. 1, 2021. DOI: 10.4081/aamr.2021.149. Disponível em: https://africa.pagepress.net/aamr/article/view/438. Acesso em: 19 may. 2026.