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Children's Vaccine Initiative. Secretariat ,  World Health Organization ,  World Bank ,  Rockefeller Foundation ,  United Nations Development Programme ,  United Nations Children's Fund (‎UNICEF)‎ ,  [Progress report / CVI Secretariat]

World Health Organization. Expert Committee on Smallpox. Meeting (1964 : Geneva, Switzerland) ,  [Certificat international de vaccination ou de revaccination contre la variole / document établi par le Secrétariat, International certificate of vaccination or revaccination against smallpox / prepared by the Secretariat]

World Health Organization. Expert Committee on Smallpox. Meeting (1964 : Geneva, Switzerland) ,  [International certificate of vaccination or revaccination against smallpox / prepared by the Secretariat, Certificat international de vaccination ou de révaccination contre la variole / document établi par le Secrétariat]

World Health Organization ,  Inter-Regional Seminar on Smallpox Eradication (1969 : Lagos, Nigeria) ,  [Rapport sur la variole : pays, états du nord du Nigéria]

World Health Organization ,  Inter-Regional Seminar on Smallpox Eradication (1969 : Lagos, Nigeria) ,  [Rapport sur la variole : pays, Haute Volta]

World Health Organization ,  Inter-Regional Seminar on Smallpox Eradication (1969 : Lagos, Nigeria) ,  [Rapport sur la variole]

World Health Organization ,  Inter-Regional Seminar on Smallpox Eradication (1969 : Lagos, Nigeria) ,  [Country report : country, northern states of Nigeria]

World Health Organization ,  Inter-Regional Seminar on Smallpox Eradication (1969 : Lagos, Nigeria) ,  [Country report]

World Health Organization ,  Inter-Regional Seminar on Smallpox Eradication (1969 : Lagos, Nigeria) ,  [Country report : country, Upper Volta]