Authors: John McIntyre; Sue Robertson; Elizabeth Norris; Richard Appleton; William P Whitehouse; Barbara Phillips; Tim Martland; Kathleen Berry; Jacqueline Collier; Stephanie Smith; Imti Choonara Journal: Lancet Date: 2005 Jul 16-22 Impact factor: 79.321
Authors: Richard F M Chin; Brian G R Neville; Catherine Peckham; Angie Wade; Helen Bedford; Rod C Scott Journal: Lancet Neurol Date: 2008-07-02 Impact factor: 44.182