Authors: S C Ranganathan; C Dezateux; A Bush; S B Carr; R A Castle; S Madge; J Price; J Stroobant; A Wade; C Wallis; J Stocks Journal: Lancet Date: 2001-12-08 Impact factor: 79.321
Authors: Joshua D Groman; Michelle E Meyer; Robert W Wilmott; Pamela L Zeitlin; Garry R Cutting Journal: N Engl J Med Date: 2002-08-08 Impact factor: 91.245