1. 1. Summar K, Lee B. Down Syndrome and Other Abnormalities of Chromosome Number. In Nelson Textbook of Pediatrics, Kliegman RM, Stanton BF, St Geme JW, Schor NF, Behrman RE (editors). 19th ed., Philadelphia: Elsevier Saunders, 2011:76.
2. Infections and immunodeficiency in Down syndrome;Ram;Clin Exp Immunol,2011
3. 3. Pandit C, Fitzgerald DA. Respiratory problems in children with Down syndrome. J Paediatr Child Health 2012;48(3):E147-E152.
4. Comorbidity, hospitalization, and medication use and their influence on mental and motor development of young infants with Down syndrome;van Trotsenburg;Pediatrics,2006
5. Prevalence of celiac disease in Down syndrome in the United States;Zachor;J Pediatr Gastroenterol Nutr,2000