title: THE ACCURACY OF THE PHOTOELECTRIC EARPIECE TECHNIQUE IN THE MEASUREMENT OF CARDIAC OUTPUT.
authors.affiliation: Medical Research Council Cardiovascular Research Group, Department of Medicine, Postgraduate Medical School of London.
authors.forename: M
authors.initials: M
authors.lastname: Thomas
authors.forename: R
authors.initials: R
authors.lastname: Malcrona
authors.forename: J
authors.initials: J
authors.lastname: Shillingford