Authors: A Keech; R J Simes; P Barter; J Best; R Scott; M R Taskinen; P Forder; A Pillai; T Davis; P Glasziou; P Drury; Y A Kesäniemi; D Sullivan; D Hunt; P Colman; M d'Emden; M Whiting; C Ehnholm; M Laakso Journal: Lancet Date: 2005-11-26 Impact factor: 79.321