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. 2015 May-Aug;8(2):122–128. doi: 10.4103/0974-2069.157025

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Copyright: © Annals of Pediatric Cardiology

This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Blalock- Hanlon operation. (a) Right pulmonary artery and superior pulmonary vein dissected free from surrounding tissue. (b) After applying a special clamp, parallel incisions made on right atrium and pulmonary veins, area to be excised shown. (c) B in cross-section. (d) After excising septum, incision closed with sutures. (e) D in cross-section. L. auricle = Left auricle, R. auricle = Right auricle, R. pulm. a. and v.= Right pulmonary artery and vein, R. sup. pulm. v. = Right superior pulmonary vein (Reproduced with permission from: Blalock A, et al., Surg Gynecol Obstet; 1950;90:1-15.)