Authors: J E Manson; E B Rimm; M J Stampfer; G A Colditz; W C Willett; A S Krolewski; B Rosner; C H Hennekens; F E Speizer Journal: Lancet Date: 1991-09-28 Impact factor: 79.321
Authors: J R Stratton; W L Chandler; R S Schwartz; M D Cerqueira; W C Levy; S E Kahn; V G Larson; K C Cain; J C Beard; I B Abrass Journal: Circulation Date: 1991-05 Impact factor: 29.690