VELÁSQUEZ, Aníbal. Why do effective interventions to improve childhood survival not reach those who most need them?. Revista Peruana de Medicina Experimental y Salud Pública, [S. l.], v. 28, n. 2, 2011. DOI: 10.17843/rpmesp.2011.282.511. Disponível em: https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/511.. Acesso em: 1 may. 2024.