title: A history of the valveless paraaortic counterpulsation device.
authors.forename: J
authors.initials: J
authors.lastname: Utoh
mesh_terms: D000818:Animals; D015908:Counterpulsation / Q000266:history* / Q000295:instrumentation; D004867:Equipment Design; D006353:Heart-Assist Devices / Q000266:history*; D049673:History, 20th Century; D006801:Humans