Sirichongkolthong, B. 2018. Correlation Between Aortic Oxygen Saturation and Pulmonary Artery Size in Cyanotic Congenital Heart Disease With Decreased Pulmonary Blood Flow. Ramathibodi Medical Journal. 41, 3 (Oct. 2018), 21–29. DOI:https://doi.org/10.14456/rmj.2018.30.