Authors: J H Chesebro; G Knatterud; R Roberts; J Borer; L S Cohen; J Dalen; H T Dodge; C K Francis; D Hillis; P Ludbrook Journal: Circulation Date: 1987-07 Impact factor: 29.690
Authors: H D White; J T Rivers; A H Maslowski; J A Ormiston; M Takayama; H H Hart; D N Sharpe; R M Whitlock; R M Norris Journal: N Engl J Med Date: 1989-03-30 Impact factor: 91.245