title: A year later, the beat goes on.
authors.forename: Anne
authors.initials: A
authors.lastname: Underwood
mesh_terms: D000368:Aged; D006348:Cardiac Surgical Procedures; D002986:Clinical Trials as Topic; D005260:Female; D006354:Heart, Artificial; D006801:Humans; D008297:Male; D011182:Postoperative Care; D016896:Treatment Outcome; D014481:United States