TY - BOOK ED - World Health Organization. TI - Vacunas e inmunización: situación mundial SN - 9789243563862 PY - 2010/// CY - Ginebra PB - Organización Mundial de la Salud KW - Immunization programs KW - Immunization KW - Vaccines KW - Biomedical research KW - Child KW - Infant KW - Interinstitutional relations KW - International cooperation KW - Developing countries UR - http://apps.who.int/iris/ ER -