title: Artificial hearts.
authors.forename: T R
authors.initials: TR
authors.lastname: Graham
authors.forename: C T
authors.initials: CT
authors.lastname: Lewis
mesh_terms: D001243:Assisted Circulation / Q000191:economics; D035843:Biomedical Research; D035082:Federal Government; D006354:Heart, Artificial / Q000191:economics; D006353:Heart-Assist Devices / Q000191:economics; D006801:Humans; D012109:Research Support as Topic; D018570:Risk Assessment; D014481:United States