Authors: D Grady; S M Rubin; D B Petitti; C S Fox; D Black; B Ettinger; V L Ernster; S R Cummings Journal: Ann Intern Med Date: 1992-12-15 Impact factor: 25.391
Authors: G A Colditz; S E Hankinson; D J Hunter; W C Willett; J E Manson; M J Stampfer; C Hennekens; B Rosner; F E Speizer Journal: N Engl J Med Date: 1995-06-15 Impact factor: 91.245