Descripción
Notas:Support provided by the Agency for International Development, the Dept. of Health and Human Services, the Pharmaceutical Manufacturers Association, the United Nations Development Program, and the World Health Organization, Children's Vaccine Initiative.
Descripción Física:xiii, 221 p. : il
Formato:Forma de acceso: World Wide Web.
Bibliografía:Incluye referencias bibliográficas.
ISBN:9780585143521