منابع مشابه
Why not call 911?
See related article, pages 1501–1507. According to the World Health Organization (WHO), approximately 15 million people experience a stroke each year, of which one third die and one third are permanently disabled. It was not until the mid-nineties that the advent of tissue plasminogen activator (tPA) offered a treatment option. One of the most important factors limiting the use of tPA is the 3-...
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Prior to the tragedy of Sept 11, 2001 steganography was barely known outside of academic and security circles. Now, it has become a much-reported element in one of the most significant events in the early 21st century. The ability to hide a text message inside a picture on a PC has gone from an interesting bit of trivia to a communications method possibly used by al-Qaeda as a means to covertly...
متن کاملWhy does the central nervous system not regenerate after injury?
A major problem for neuroscientists and clinicians is why the central nervous system shows ineffective regeneration after injury. Injured peripheral nerve fibers reform their connections, whereas those in injured spinal cord never re-grow. Insights into the mechanisms for repair and restoration of function after spinal cord injury have been obtained by experiments showing that injured nerve cel...
متن کاملWhy does the central nervous system not regenerate after injury?
A major problem for neuroscientists and clinicians is why the central nervous system shows ineffective regeneration after injury. Injured peripheral nerve fibers reform their connections, whereas those in injured spinal cord never re-grow. Insights into the mechanisms for repair and restoration of function after spinal cord injury have been obtained by experiments showing that injured nerve cel...
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ژورنال
عنوان ژورنال: Stroke
سال: 2010
ISSN: 0039-2499,1524-4628
DOI: 10.1161/strokeaha.110.585117