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Lecturas sugeridas:
 
Prevention of micronutrient deficiencies : a toolkit for policy-makers and public health workers. National Academy press, 2101 Constitution avenue, NW, Washington DC, 20418, USA, http://www.nap.edu.
 
Traducción al Español, Dr en C. Nicolás Padilla Raygoza, Departamento de Enfermería y Obstetrica, División Ciencias de la Salud e Ingenierías, Campus Celaya Salvatierra, Universidad de Guanajuato, México padillawarm@gmail.com

English version