Garcia CRA, Guerra GVO. Use of Orthodeoxia by pulse Oximetry in the detection of Hepatopulmonary Syndrome. Arch Surg Clin Res [Internet]. 2017 Aug. 4 [cited 2025 Dec. 7];1(1):038-41. Available from: https://www.clinsurgeryjournal.com/index.php/ascr/article/view/ascr-aid1005