title: Doppler measurement of cardiac output--a critique.
authors.affiliation: Intensive Care Unit, Royal Children's Hospital, Parkville, Victoria, Australia.
authors.forename: J
authors.initials: J
authors.lastname: Tibballs
mesh_terms: D002302:Cardiac Output; D015150:Echocardiography, Doppler / Q000379:methods*; D006801:Humans