[Replacement of mitral and tricuspid valves by heterografts].
D000818:Animals; D002417:Cattle; D004285:Dogs; D008943:Mitral Valve / Q000637:transplantation*; D014183:Transplantation, Heterologous; D014261:Tricuspid Valve / Q000637:transplantation*
Remplacement des valvules mitrales et tricuspides par des hétérogreffes.