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2. Inherited Metabolic Diseases. A Clinical Approach;Zschocke,2010
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4. A. Christianson, P. Howson, B. Modell, Gobal Report on Birth Defects. The Hiden Toll of Dying and Disabled Children. March of Dimes Birth Defects Foundation, White Plains, NewYork, (2006) (http://www.marchofdimes.com/) (http://www.marchofdimes.com/glue/files/Birth_Defects_Report-PF.pdf).
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