title: Double lumen catheter for intravenous and intracardiac blood sampling and pressure recording.
authors.forename: A
authors.initials: A
authors.lastname: COURNAND
authors.forename: R A
authors.initials: RA
authors.lastname: BLOOMFIELD
authors.forename: H D
authors.initials: HD
authors.lastname: LAUSON
mesh_terms: D001769:Blood / Q000175:diagnosis*; D001794:Blood Pressure; D001795:Blood Pressure Determination; D006328:Cardiac Catheterization; D002404:Catheterization; D057785:Catheters; D006801:Humans; D014680:Veins