title: Permanent heart substitution: better solutions lie ahead.
authors.forename: W S
authors.initials: WS
authors.lastname: Pierce
mesh_terms: D011211:Electric Power Supplies / Q000592:standards; D006331:Heart Diseases / Q000601:surgery*; D016027:Heart Transplantation; D006354:Heart, Artificial / Q000009:adverse effects; D006801:Humans