STUDIES OF CONGENITAL HEART DISEASE. III. VENOUS CATHETERIZATION AS A DIAGNOSTIC AID IN PATENT DUCTUS ARTERIOSUS, TETRALOGY OF FALLOT, VENTRICULAR SEPTAL DEFECT, AND AURICULAR SEPTAL DEFECT

^{Medical Clinic and the Department of Radiology, Peter Bent Brigham Hospital}

^{Department of Medicine, Harvard Medical School}

^{Department of Radiology, Harvard Medical School}

This investigation was aided in part by a grant from the John and Mary R. Markle Foundation, and from the Proctor Fund of the Harvard Medical School.

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^{Medical Clinic and the Department of Radiology, Peter Bent Brigham Hospital}

^{Department of Medicine, Harvard Medical School}

^{Department of Radiology, Harvard Medical School}

This investigation was aided in part by a grant from the John and Mary R. Markle Foundation, and from the Proctor Fund of the Harvard Medical School.

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^{Medical Clinic and the Department of Radiology, Peter Bent Brigham Hospital}

^{Department of Medicine, Harvard Medical School}

^{Department of Radiology, Harvard Medical School}

This investigation was aided in part by a grant from the John and Mary R. Markle Foundation, and from the Proctor Fund of the Harvard Medical School.

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^{Medical Clinic and the Department of Radiology, Peter Bent Brigham Hospital}

^{Department of Medicine, Harvard Medical School}

^{Department of Radiology, Harvard Medical School}

This investigation was aided in part by a grant from the John and Mary R. Markle Foundation, and from the Proctor Fund of the Harvard Medical School.

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^{Medical Clinic and the Department of Radiology, Peter Bent Brigham Hospital}

^{Department of Medicine, Harvard Medical School}

^{Department of Radiology, Harvard Medical School}

This investigation was aided in part by a grant from the John and Mary R. Markle Foundation, and from the Proctor Fund of the Harvard Medical School.

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^{Medical Clinic and the Department of Radiology, Peter Bent Brigham Hospital}

^{Department of Medicine, Harvard Medical School}

^{Department of Radiology, Harvard Medical School}

This investigation was aided in part by a grant from the John and Mary R. Markle Foundation, and from the Proctor Fund of the Harvard Medical School.

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