Authors: A M Epstein; J Z Ayanian; J H Keogh; S J Noonan; N Armistead; P D Cleary; J S Weissman; J A David-Kasdan; D Carlson; J Fuller; D Marsh; R M Conti Journal: N Engl J Med Date: 2000-11-23 Impact factor: 91.245
Authors: Richard M Hoffman; Linda C Harlan; Carrie N Klabunde; Frank D Gilliland; Robert A Stephenson; William C Hunt; Arnold L Potosky Journal: J Gen Intern Med Date: 2003-10 Impact factor: 5.128