Assessment of the Performance of Healthcare Providers in the Expanded Programme of Immunization Before and After an Educational Intervention, Sa’adah, Yemen, 2025. Sana’a University Journal of Medicine and Health Sciences, [S. l.], v. 19, n. 4, p. 266–281, 2025. DOI: 10.59628/jchm.v19i4.2084. Disponível em: https://journals.su.edu.ye/index.php/jchm/article/view/2084. Acesso em: 7 jun. 2026.