Authors: A Antinori; G Arendt; J T Becker; B J Brew; D A Byrd; M Cherner; D B Clifford; P Cinque; L G Epstein; K Goodkin; M Gisslen; I Grant; R K Heaton; J Joseph; K Marder; C M Marra; J C McArthur; M Nunn; R W Price; L Pulliam; K R Robertson; N Sacktor; V Valcour; V E Wojna Journal: Neurology Date: 2007-10-03 Impact factor: 9.910