title: Extrinsic obstruction of the Medtronic-Hall prosthesis.
authors.forename: S
authors.initials: S
authors.lastname: Pories
authors.forename: F P
authors.initials: FP
authors.lastname: Ittleman
mesh_terms: D000328:Adult; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000601:surgery*; D011475:Prosthesis Failure