404. That’s an error.

The requested URL /bookmarks/mark?op=add&bkmk=http%3A//jn.physiology.org/content/early/2004/09/01/jn.01213.2003&title=VISUOTOPIC%20MAPPING%20THROUGH%20A%20MULTICHANNEL%20STIMULATING%20IMPLANT%20IN%20PRIMATE%20V1 was not found on this server. That’s all we know.