Talk:Primitive knot
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THis page has been hacked. There's a reference at the end about Sonic the Hedgehog that does not fit here.
Mike mdcnet1@gmail.com
Not true. Sonic hedgehog (shh) is the name of a gene important in developmental patterning. It most definitely belongs there. 71.2.165.68 02:03, 26 May 2007 (UTC)