Authors: M A Hlatky; R M Califf; F E Harrell; K L Lee; D B Mark; L H Muhlbaier; D B Pryor Journal: J Am Coll Cardiol Date: 1990-01 Impact factor: 24.094
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