Cardiac Surgery in Patients with Previous Carcinoma of the Breast and Mediastinal Irradiation: Is the Internal Thoracic Artery Graft obsolete ? - Gansera,B.; Haschemi,A.; Angelis,I.; Eichinger,W.; Breuer,M.; Keiditsch,E.; Kemkes,B.M. (Thorac Cardiovasc Surg, 1999)