title: Retrograde disc escape in a Harken mitral valve prosthesis 21 years after implantation.
authors.forename: E
authors.initials: E
authors.lastname: Otero-Coto
authors.forename: A
authors.initials: A
authors.lastname: Silla
authors.forename: J A
authors.initials: JA
authors.lastname: Casillas
mesh_terms: D005260:Female; D006350:Heart Valve Prosthesis; D006801:Humans; D008875:Middle Aged; D008943:Mitral Valve; D011475:Prosthesis Failure; D012086:Reoperation; D013997:Time Factors