title: The first mitral valve replacement.
authors.forename: A F
authors.initials: AF
authors.lastname: Norman
mesh_terms: D004739:England; D006350:Heart Valve Prosthesis / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D008943:Mitral Valve / Q000601:surgery; D011474:Prosthesis Design