CITATIONS

Term: Down syndrome
Http://: http://www.nichd.nih.gov/health/topics/down/Pages/default.aspx
Http://: http://ghr.nlm.nih.gov/condition/down-syndrome
Http://: http://www.omim.org/entry/190685?search=down%20syndrome&highlight=down%20syndromic%20syndrome
Http://: http://en.wikipedia.org/wiki/Down_syndrome
Http://: https://research.nhgri.nih.gov/atlas/condition/trisomy-21