title: Isaac Starr and the ballistocardiograph.
authors.forename: D Y
authors.initials: DY
authors.lastname: Cooper
mesh_terms: D002309:Cardiology / Q000266:history*; D002319:Cardiovascular System; D004864:Equipment and Supplies / Q000266:history*; D049711:History, Modern 1601-; D014481:United States