title: Measurement of continuous distributions of ventilation-perfusion ratios: theory.
mesh_terms: D005740:Gases; D006801:Humans; D008433:Mathematics; D008954:Models, Biological; D010100:Oxygen / Q000097:blood; D011652:Pulmonary Circulation; D012039:Regional Blood Flow; D014692:Ventilation-Perfusion Ratio
chemical_list: D005740:Gases; D010100:Oxygen