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Schieve LA, Boulet SL, Boyle C, Rasmussen SA, Schendel D. Health of children 3 to 17 years of age with Down syndrome in the 1997 2005 National Health Survey. Pediatrics. 2009; 123; e253-60

Schieve LA, Boulet SL, Boyle C, Rasmussen SA, Schendel D. Health of children 3 to 17 years of age with Down syndrome in the 1997 2005 National Health Survey. Pediatrics. 2009; 123; e253-60

Allergy

What is an allergy? An allergy is a form of hypersensitivity in which the immune system responds to substances (allergens) that are usually harmless and do not cause disease. Allergic reactions are...
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