title: Telephone transmission of sound produced by cardiac electrical activity.
authors.forename: Herman
authors.initials: H
authors.lastname: Uhley
mesh_terms: D004562:Electrocardiography / Q000379:methods*; D004867:Equipment Design; D006801:Humans; D012648:Self Care / Q000379:methods; D017216:Telemedicine / Q000295:instrumentation / Q000379:methods*