title: Quantitative aspects of right-to-left shunting in uncomplicated atrial septal defects.
mesh_terms: D000328:Adult; D000368:Aged; D001784:Blood Gas Analysis; D001794:Blood Pressure; D005263:Femoral Artery; D006325:Heart Atria / Q000503:physiopathology; D006344:Heart Septal Defects, Atrial / Q000209:etiology / Q000503:physiopathology*; D006439:Hemodynamics; D006801:Humans; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D011048:Polarography; D011667:Pulmonary Veins; D014655:Vascular Resistance
chemical_list: D010100:Oxygen