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These should be adequate web references. If you wish to look for citation titles on the web please refer to Scholar Google it helps.


http://www.pnas.org/content/99/21/13633.short...

Please note that these were the peer journals not a web site. Take time to look at the citations for crying out loud.

We are more unique than previously thought, according to new comparisons of human and chimpanzee DNA. It has long been held that we share 98.5 per cent of our genetic material with our closest...