Authors: B Mayr; M Lenhard; U Fink; S H Heywang-Köbrunner; L Sunder-Plassmann; W Permanetter Journal: Eur J Radiol Date: 1992 May-Jun Impact factor: 3.528
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Authors: G B Ratto; G Piacenza; C Frola; F Musante; I Serrano; R Giua; M Salio; P Jacovoni; S Rovida Journal: Ann Thorac Surg Date: 1991-02 Impact factor: 4.330