Authors: G Gregoratos; M D Cheitlin; A Conill; A E Epstein; C Fellows; T B Ferguson; R A Freedman; M A Hlatky; G V Naccarelli; S Saksena; R C Schlant; M J Silka; J L Ritchie; R J Gibbons; M D Cheitlin; K A Eagle; T J Gardner; R P Lewis; R A O'Rourke; T J Ryan; A Garson Journal: J Am Coll Cardiol Date: 1998-04 Impact factor: 24.094
Authors: G A Lamas; E J Orav; B S Stambler; K A Ellenbogen; E B Sgarbossa; S K Huang; R A Marinchak; N A Estes; G F Mitchell; E H Lieberman; C M Mangione; L Goldman Journal: N Engl J Med Date: 1998-04-16 Impact factor: 91.245
Authors: H R Andersen; J C Nielsen; P E Thomsen; L Thuesen; P T Mortensen; T Vesterlund; A K Pedersen Journal: Lancet Date: 1997-10-25 Impact factor: 79.321