Authors: A R Localio; A G Lawthers; T A Brennan; N M Laird; L E Hebert; L M Peterson; J P Newhouse; P C Weiler; H H Hiatt Journal: N Engl J Med Date: 1991-07-25 Impact factor: 91.245
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