DAEBRITZ, S. H.; FAUSTEN, B.; HERMANNS, B.; FRANKE, A.; SCHROEDER, J.; GROETZNER, J.; AUTSCHBACH, R.; MESSMER, B. J.; SACHWEH, J. S. New Flexible Polymeric Heart Valve Prostheses for the Mitral and Aortic Positions. The Heart Surgery Forum, v. 7, n. 5, p. E525-E532, 4 Jan. 2005.