Comparative study of autogenous pericardium, Teflon, Ivalon and polyurethane monocusps for aortic valve replacements.
D001021:Aortic Valve; D006348:Cardiac Surgical Procedures; D010496:Pericardium; D011138:Polytetrafluoroethylene; D011140:Polyurethanes; D011145:Polyvinyls; D013903:Thoracic Surgery
D011140:Polyurethanes; D011145:Polyvinyls; C026699:ivalon sponge; D011138:Polytetrafluoroethylene
AORTIC VALVE; HEART SURGERY