Authors: M J Stampfer; G A Colditz; W C Willett; J E Manson; B Rosner; F E Speizer; C H Hennekens Journal: N Engl J Med Date: 1991-09-12 Impact factor: 91.245
Authors: S Yusuf; D Zucker; P Peduzzi; L D Fisher; T Takaro; J W Kennedy; K Davis; T Killip; E Passamani; R Norris Journal: Lancet Date: 1994-08-27 Impact factor: 79.321