Authors: Peter M Layde; Leslie M Cortes; Stephen P Teret; Karen J Brasel; Evelyn M Kuhn; James A Mercy; Stephen W Hargarten; Leslie A Maas Journal: JAMA Date: 2002-04-17 Impact factor: 56.272
Authors: L L Leape; T A Brennan; N Laird; A G Lawthers; A R Localio; B A Barnes; L Hebert; J P Newhouse; P C Weiler; H Hiatt Journal: N Engl J Med Date: 1991-02-07 Impact factor: 91.245