4) Norgren L, Berggren U, Parsson H, Ri bbe E, Thorne J: How does Hemashield® affect surgical technique? Clinical results in aortic reconstructions. Anio Arch Bd 9: 39-41, 1985
5) Jonas RA, Schoen FJ, Levy RJ, Castaneda AR: Biological sealants and knitted dacron Porosity and his tological comparisons of vascular graft materials with and without collagen and fibrin glue pretreatments. Ann Thorac Surg 41: 657-663, 1986