TY - JOUR DP - http://iris.who.int/ DB - WHO IRIS AU - Creese, Andrew L. AU - Domínguez Ugá, María Alicia LA - en UR - https://iris.who.int/handle/10665/48246 JF - World health forum 1987 ; 8(2) : 221-226 DA - 1987 PY - 1987 TI - Cost-effectiveness of immunization in Colombia KW - Immunization KW - Colombia KW - economics ER -