Authors: J G Demakis; A Proskey; S H Rahimtoola; M Jamil; G C Sutton; K M Rosen; R M Gunnar; J R Tobin Journal: Ann Intern Med Date: 1974-03 Impact factor: 25.391
Authors: L T Sheffield; T J Reeves; H Blackburn; M H Ellestad; V F Froelicher; D Roitman; S Kansal Journal: Circulation Date: 1977-05 Impact factor: 29.690