Biological factors affecting long-term results of valvular heterografts.
D000328:Adult; D000937:Antigen-Antibody Reactions; D001021:Aortic Valve / Q000473:pathology / Q000637:transplantation*; D003094:Collagen / Q000378:metabolism; D004549:Elastin / Q000378:metabolism; D006801:Humans; D007108:Immune Tolerance; D008722:Methods; D008875:Middle Aged; D008943:Mitral Valve / Q000473:pathology / Q000637:transplantation*; D011379:Prognosis; D014021:Tissue Preservation; D014181:Transplantation Immunology; D014183:Transplantation, Heterologous; D014261:Tricuspid Valve / Q000473:pathology / Q000637:transplantation*
D003094:Collagen; D004549:Elastin