Authors: David O Wiebers; J P Whisnant; J Huston; I Meissner; R D Brown; D G Piepgras; G S Forbes; K Thielen; D Nichols; W M O'Fallon; J Peacock; L Jaeger; N F Kassell; G L Kongable-Beckman; J C Torner Journal: Lancet Date: 2003-07-12 Impact factor: 79.321