=== HTTP code : 200 ===

HTTP/1.0 200 OK
Date: Fri, 02 Aug 2013 16:35:28 GMT
Server: Apache
Cache-Control: private
NCBI-SID: CE8C10451FBDFD01_0046SID
Content-Type: text/html; charset=UTF-8
Set-Cookie: ncbi_sid=CE8C10451FBDFD01_0046SID; domain=.nih.gov; path=/; expires=Sat, 02 Aug 2014 16:35:28 GMT
Set-Cookie: WebEnv=1VOB-rCRNjKbchy6K2rXvx3zsPUomxYFTEKkg_7N-tjVQg-NHwwdCZkVGceoPzKY0IbJS1VDlvPKrWJRI8FvZOGwiGTlhATheMKAV%40CE8C10451FBDFD01_0046SID; domain=.nlm.nih.gov; path=/; expires=Sat, 03 Aug 2013 00:35:29 GMT
Vary: Accept-Encoding
Connection: close


Link is valid.