title: Survival of human aortic-valve homografts.
mesh_terms: D001021:Aortic Valve / Q000637:transplantation*; D002114:Calcinosis / Q000209:etiology; D005027:Ethylene Oxide; D005612:Freeze Drying; D006349:Heart Valve Diseases / Q000209:etiology; D006350:Heart Valve Prosthesis; D006801:Humans; D012422:Rupture, Spontaneous; D013242:Sterilization; D014021:Tissue Preservation; D014184:Transplantation, Homologous / Q000401:mortality
chemical_list: D005027:Ethylene Oxide