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
Authors: Floris A de Jong; Ron H J Mathijssen; Rujia Xie; Jaap Verweij; Alex Sparreboom Journal: Clin Cancer Res Date: 2004-06-15 Impact factor: 12.531