title: Pathological considerations in replacement cardiac valves.
authors.affiliation: Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA.
authors.forename: F J
authors.initials: FJ
authors.lastname: Schoen
authors.affiliation: Department of Pediatrics, University of Michigan, Ann Arbor, Michigan, USA.
authors.forename: R J
authors.initials: RJ
authors.lastname: Levy
authors.affiliation: Department of Metallurgical Engineering and Materials Science, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA.
authors.forename: H R
authors.initials: HR
authors.lastname: Piehler