Enlace original:
https://apps.who.int/iris/handle/10665/67701
World Health Organization
,
United Nations Children's Fund (UNICEF)
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[Déclaration de principe OMS/UNICEF sur l' utilisation des pastilles de contrôle du vaccin par les services de vaccination, WHO-UNICEF policy statement on the use of vaccine vial monitors in immunization servicesQuality of the cold chain]