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2. Centers for Disease Control and Prevention (CDC). Indicators for Chronic Disease Surveillance — United States, 2013;MMWR Recomm Rep.,2015
3. Ley 33/2011, de 4 de octubre, General de Salud Pública. BOE Nª 240/2011 (5 de octubre de 2011).
4. Centers for Disease Control and Prevention. CDC's vision for public health surveillance in the 21st century;Buehler;MMWR Suppl.,2012
5. Conceptual framework of public health surveillance and action and its application in health sector reform;McNabb;BMC Public Health.,2002