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Authors: M J Kern; H Serota; P Callicoat; U Deligonul; W H Lee; F Aguirre; B Lew; H Barner; V Willman Journal: Am Heart J Date: 1990-01 Impact factor: 4.749
Authors: C A Nienaber; Y von Kodolitsch; V Nicolas; V Siglow; A Piepho; C Brockhoff; D H Koschyk; R P Spielmann Journal: N Engl J Med Date: 1993-01-07 Impact factor: 91.245
Authors: J E Bachet; J L Termignon; G Dreyfus; B Goudot; L Martinelli; A Piquois; D Brodaty; C Dubois; P Delentdecker; D Guilmet Journal: J Thorac Cardiovasc Surg Date: 1994-08 Impact factor: 5.209
Authors: R Erbel; H Oelert; J Meyer; M Puth; S Mohr-Katoly; D Hausmann; W Daniel; S Maffei; A Caruso; F E Covino Journal: Circulation Date: 1993-05 Impact factor: 29.690