Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Down syndrome (trisomy 21) - causes, symptoms, diagnosis, & pathology. That video is uploaded by Osmosis from Elsevier at 2016-07-28T12:34:40-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [ze_6VWwLtOE]