title: CAVAL SAMPLES AS INDICATORS OF MIXED VENOUS OXYGEN SATURATION: IMPLICATIONS IN ATRIAL SEPTAL DEFECT.
authors.affiliation: The Section of Cardiology, Department of Pediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston, Texas 77025.
authors.forename: Howard P.
authors.initials: HP
authors.lastname: Gutgesell
authors.forename: Robert L.
authors.initials: RL
authors.lastname: Williams