=== HTTP code : 200 ===

HTTP/1.0 200 OK
Date: Fri, 02 Aug 2013 16:36:06 GMT
Server: Apache
Cache-Control: private
NCBI-SID: CE8E75431FBDFF61_0008SID
Content-Type: text/html; charset=UTF-8
Set-Cookie: ncbi_sid=CE8E75431FBDFF61_0008SID; domain=.nih.gov; path=/; expires=Sat, 02 Aug 2014 16:36:06 GMT
Set-Cookie: WebEnv=1ty5-htKetTfzcol50vUjpkiM067ev-kSmmQlsCN7f91Dag5r8fVhPv8XK8m5J3atScyp3TBrC_8G0JcPwApnBZlMSRuXU18kyYk_%40CE8E75431FBDFF61_0008SID; domain=.nlm.nih.gov; path=/; expires=Sat, 03 Aug 2013 00:36:06 GMT
Vary: Accept-Encoding
Connection: close


Link is valid.