Authors: R R Love; D A Wiebe; P A Newcomb; L Cameron; H Leventhal; V C Jordan; J Feyzi; D L DeMets Journal: Ann Intern Med Date: 1991-12-01 Impact factor: 25.391
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