Authors: Beverly B Green; Andrea J Cook; James D Ralston; Paul A Fishman; Sheryl L Catz; James Carlson; David Carrell; Lynda Tyll; Eric B Larson; Robert S Thompson Journal: JAMA Date: 2008-06-25 Impact factor: 56.272
Authors: T E Klein; R B Altman; N Eriksson; B F Gage; S E Kimmel; M-T M Lee; N A Limdi; D Page; D M Roden; M J Wagner; M D Caldwell; J A Johnson Journal: N Engl J Med Date: 2009-02-19 Impact factor: 91.245