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Figure 6 Selected cineangiographic frames from aortograms in right anterior oblique view prior to (a) and 15 minutes following (b) transvenous implantation of buttoned device with a folding plug demonstrating a large patent ductus arteriosus (PDA) in a, which is completely occluded following device (D) implantation (b). Ao = aorta; PA = pulmonary artery.
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