Authors: M Hayashida; A I Alterman; A T McLellan; C P O'Brien; J J Purtill; J R Volpicelli; A H Raphaelson; C P Hall Journal: N Engl J Med Date: 1989-02-09 Impact factor: 91.245
Authors: John R Stephens; E Allen Liles; Ria Dancel; Michael Gilchrist; Jonathan Kirsch; Darren A DeWalt Journal: J Gen Intern Med Date: 2014-01-07 Impact factor: 5.128