Nigel Mathers1. 1. Primary Medical Care and Head of Academic Unit of Primary Medical Care, The University of Sheffield, Sheffield, UK. nmathers@rcgp.org.uk
Authors: Stephen J Swensen; Gregg S Meyer; Eugene C Nelson; Gordon C Hunt; David B Pryor; Jed I Weissberg; Gary S Kaplan; Jennifer Daley; Gary R Yates; Mark R Chassin; Brent C James; Donald M Berwick Journal: N Engl J Med Date: 2010-01-20 Impact factor: 91.245