title: OBSERVATIONS ON THE EFFECT OF VARIOUS FACTORS ON THE DURATION OF THE ELECTRICAL SYSTOLE OF THE HEART AS INDICATED BY THE LENGTH OF THE Q-T INTERVAL OF THE ELECTROCARDIOGRAM.
authors.affiliation: Cardiac Clinic and Laboratory of the Massachusetts General Hospital, Boston.
authors.forename: P D
authors.initials: PD
authors.lastname: White
authors.forename: S G
authors.initials: SG
authors.lastname: Mudd