title: Aortic valve allograft rejection.
mesh_terms: D000818:Animals; D001012:Aorta, Abdominal / Q000637:transplantation; D001013:Aorta, Thoracic / Q000637:transplantation; D001021:Aortic Valve / Q000166:cytology / Q000528:radiation effects / Q000601:surgery / Q000637:transplantation*; D004285:Dogs; D006084:Graft Rejection; D011830:Radiation Effects; D014181:Transplantation Immunology / Q000528:radiation effects; D014184:Transplantation, Homologous