title: [An analysis of 7 cases of failure in mitral and aortic valvular heterografts].
mesh_terms: D000328:Adult; D001021:Aortic Valve / Q000637:transplantation*; D006801:Humans
vernacular_title: Analyse de 7 échecs d'hétérogreffes valvulaires, mitrales et aortiques.