Authors: J Bamford; P Sandercock; M Dennis; C Warlow; L Jones; K McPherson; M Vessey; G Fowler; A Molyneux; T Hughes Journal: J Neurol Neurosurg Psychiatry Date: 1988-11 Impact factor: 10.154
Authors: R Collins; R Peto; S MacMahon; P Hebert; N H Fiebach; K A Eberlein; J Godwin; N Qizilbash; J O Taylor; C H Hennekens Journal: Lancet Date: 1990-04-07 Impact factor: 79.321