title: Heart valve replacement with aortic heterografts. Follow-up study.
mesh_terms: D000293:Adolescent; D000328:Adult; D000818:Animals; D001021:Aortic Valve / Q000473:pathology / Q000637:transplantation*; D001344:Autopsy; D001696:Biomechanical Phenomena; D005260:Female; D005500:Follow-Up Studies; D006084:Graft Rejection; D006349:Heart Valve Diseases / Q000473:pathology / Q000601:surgery; D006350:Heart Valve Prosthesis; D006351:Heart Valves / Q000473:pathology / Q000601:surgery*; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D010969:Plastics; D013242:Sterilization; D013552:Swine; D013997:Time Factors; D014025:Titanium; D014183:Transplantation, Heterologous
chemical_list: D010969:Plastics; D014025:Titanium