Authors: E A McGlynn; C D Naylor; G M Anderson; L L Leape; R E Park; L H Hilborne; S J Bernstein; B S Goldman; P W Armstrong; J W Keesey Journal: JAMA Date: 1994-09-28 Impact factor: 56.272
Authors: T A Brennan; L L Leape; N M Laird; L Hebert; A R Localio; A G Lawthers; J P Newhouse; P C Weiler; H H Hiatt Journal: N Engl J Med Date: 1991-02-07 Impact factor: 91.245