=== HTTP code : 200 ===

HTTP/1.0 200 OK
Date: Fri, 02 Aug 2013 16:36:05 GMT
Server: Apache
Cache-Control: private
NCBI-SID: 396D19981FBDFF51_0057SID
Content-Type: text/html; charset=UTF-8
Set-Cookie: ncbi_sid=396D19981FBDFF51_0057SID; domain=.nih.gov; path=/; expires=Sat, 02 Aug 2014 16:36:05 GMT
Set-Cookie: WebEnv=103_8897dPf27Fpu66U9Bh57tsES2Zw92i8dYHAXAZIPC7XzSCuea88kKdTgbX1nO3xzD3yOCP7SAR4hKbBX2PyqDhlF8wqffpXkYQ%40396D19981FBDFF51_0057SID; domain=.nlm.nih.gov; path=/; expires=Sat, 03 Aug 2013 00:36:06 GMT
Vary: Accept-Encoding
Connection: close


Link is valid.