Acosta-Ramírez, Naydú, Luis G Durán-Arenas, Julia I Eslava-Rincón, and Julio C Campuzano-Rincón. “ Determinants of Vaccination After the Colombian Health System Reform ”. Revista de Saúde Pública 39, no. 3 (June 1, 2005): 421–429. Accessed June 4, 2024. https://www.revistas.usp.br/rsp/article/view/31884.