Redirecting you to http://www.sciencemag.org/cgi/content/summary/313/5793/1557?maxtoshow=&HITS=10&hits=10&RESULTFORMAT=&andorexacttitle=or&andorexacttitleabs=or&fulltext=neandertals+and+extinction&andorexactfulltext=and&searchid=1&FIRSTINDEX=0&sortspec=relevance&fdate=7/1/2004&tdate=3/31/2008&resourcetype=HWCIT