Picture+and+other+sources+cited

teenhealthandwellness.com.sable.jefferson.lib.co.us/article/128/down-syndrome> (for me to find info)
==="Down Syndrome." World of Genetics . Gale, 2010. Gale Science In Context . Web. 17 Mar. 2011. Perkins, Stephanie. "Down Syndrome." Teen Health and Wellness. Rosen, 2011. Web. 17 Mar. 2011. === ==="Down Syndrome." March of Dimes . Web. 21 Mar. 2010. []. === ====Prevalence of Down Syndrome Among Children and Adolescents . 2009. Centers for Disease Control and Prevention. Down Syndrome Cases at Birth Increased . Web. 22 Mar. 2011. []. ==== ====A few words about Down Syndrome . Genetic Diseases . Web. 22 Mar. 2011. []. ==== //DOWN SYNDROME (TRISOMY 21)://. //Simply Miracles...//. Web. 23 Mar. 2011. []. //Down syndrome//. //EmilyMaskeScience//. Web. 23 Mar. 20011 []. //Amino acid supplementation may extend life-span//. //Daily Health Report"Health News You Can Really Use"//. Web. 23 Mar. 2011. [].

//no symbol//. //No symbol: Reference//. Web. 23 Mar. 2011. [].

//Characteristics of Down syndrome//. 2002. //Prenatal Development//. Web. 23 Mar. 2011. <http://learn.ppdictionary.com/prenatal_development_2.htm>.