Authors: J H van der Meulen; E W Steyerberg; Y van der Graaf; L A van Herwerden; C J Verbaan; J J Defauw; J D Habbema Journal: Circulation Date: 1993-07 Impact factor: 29.690
Authors: D B Mark; M A Hlatky; R M Califf; C D Naylor; K L Lee; P W Armstrong; G Barbash; H White; M L Simoons; C L Nelson Journal: N Engl J Med Date: 1995-05-25 Impact factor: 91.245