Organización Mundial de la Salud, & Organización Mundial de la Salud. (1999). Who vaccine-preventable diseases: Monitoring system. Geneva: World Health Organization, Departamento of Vaccines and Biologicals.
Chicago Style CitationOrganización Mundial de la Salud, and Organización Mundial de la Salud. Who Vaccine-preventable Diseases: Monitoring System. Geneva: World Health Organization, Departamento of Vaccines and Biologicals, 1999.
MLA CitationOrganización Mundial de la Salud, and Organización Mundial de la Salud. Who Vaccine-preventable Diseases: Monitoring System. Geneva: World Health Organization, Departamento of Vaccines and Biologicals, 1999.
Warning: These citations may not always be 100% accurate.