title: The origin and development of three new mechanical valve designs: toroidal disc, pivoting disc, and rigid bileaflet cardiac prostheses.
authors.affiliation: Department of Surgery, University of Minnesota Medical School, Minneapolis 55104.
authors.forename: C W
authors.initials: CW
authors.lastname: Lillehei
authors.forename: A
authors.initials: A
authors.lastname: Nakib
authors.forename: R L
authors.initials: RL
authors.lastname: Kaster
authors.forename: B R
authors.initials: BR
authors.lastname: Kalke
authors.forename: J R
authors.initials: JR
authors.lastname: Rees
mesh_terms: D006350:Heart Valve Prosthesis / Q000266:history; D049673:History, 20th Century; D006801:Humans; D011474:Prosthesis Design