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9th December 2009, 04:13 PM
Down syndrome, or Down's syndrome is a chromosomal disorder caused by an extra 21st chromosome. It was named after John Langdon Down, the physician...
More... (http://www.foot-health-forum.com/forum/showthread.php?t=19247&goto=newpost)
More... (http://www.foot-health-forum.com/forum/showthread.php?t=19247&goto=newpost)