Authors: M R Chassin; J Kosecoff; R E Park; C M Winslow; K L Kahn; N J Merrick; J Keesey; A Fink; D H Solomon; R H Brook Journal: JAMA Date: 1987-11-13 Impact factor: 56.272
Authors: S MacMahon; R Peto; J Cutler; R Collins; P Sorlie; J Neaton; R Abbott; J Godwin; A Dyer; J Stamler Journal: Lancet Date: 1990-03-31 Impact factor: 79.321