1. Comparison of long-term results of various cardiac valvular prostheses;Chu,1984
2. The new Labcor-Santiago pericardial bioprosthesis;Garcia-Bengochea;J Card Surg,1991
3. The Helmholtz-Institutetri-leaflet-polyurethane-heart valve prosthesis: design, manufacturing and first in-vitro and in-vivo results;Herold,1987
4. New Polyurethane trileaflet valves: performance and blood compatibility;Jansen;Life Support Systems,1986
5. Evaluation of explanted polyurethane trileaflet cardiac valve prosthesis;Hilbert;J Thorac Cardiovasc Surg,1987