Authors: G H Guyatt; M J Sullivan; E L Fallen; H Tihal; E Rideout; S Halcrow; S Nogradi; M Townsend; D W Taylor Journal: Am J Cardiol Date: 1988-02-01 Impact factor: 2.778
Authors: S B Arnold; R C Byrd; W Meister; K Melmon; M D Cheitlin; J D Bristow; W W Parmley; K Chatterjee Journal: N Engl J Med Date: 1980-12-18 Impact factor: 91.245