title: Oxygen method for calculation of right to left shunt: new application in presence of right to left shunting through the ductus arteriosus.
mesh_terms: D002302:Cardiac Output; D003201:Computers; D004374:Ductus Arteriosus, Patent / Q000503:physiopathology*; D006801:Humans; D007231:Infant, Newborn; D008433:Mathematics; D008722:Methods; D008954:Models, Biological; D010100:Oxygen / Q000097:blood*; D012127:Respiratory Distress Syndrome, Newborn / Q000503:physiopathology*; D014469:Umbilical Arteries
chemical_list: D010100:Oxygen