ROJAS, J. H.; ZAPATA, H.; ALZATE, A.; RODRÍGUEZ, Álvaro. Vacunal cover in children 12 to 47 months old of social and economic 1 and 2 layers in the urban zone of Cali, year 2002. Colombia Medica, [S. l.], v. 39, n. 1, p. 66–73, 2008. DOI: 10.25100/cm.v39i1.551. Disponível em: https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/551. Acesso em: 22 may. 2024.