Authors: I Sim; P Gorman; R A Greenes; R B Haynes; B Kaplan; H Lehmann; P C Tang Journal: J Am Med Inform Assoc Date: 2001 Nov-Dec Impact factor: 4.497
Authors: David Moher; Sally Hopewell; Kenneth F Schulz; Victor Montori; Peter C Gøtzsche; P J Devereaux; Diana Elbourne; Matthias Egger; Douglas G Altman Journal: BMJ Date: 2010-03-23